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Finding the Fourth Proportional to 7,592.76, 10,478.04 and 4,235.78

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Solution

The fourth proportional to 7,592.76, 10,478.04 and 4,235.78 is: 5,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,592.76 : 10,478.04 = 4,235.78 : x
  2. Step 2: Convert to fraction form
    7,592.76/10,478.04 = 4,235.78/x
  3. Step 3: Cross multiply
    7,592.76x = 10,478.04 × 4,235.78
  4. Step 4: Simplify right side
    7,592.76x = 44,382,619.88
  5. Step 5: Solve for x
    x = 44,382,619.88/7,592.76
  6. Step 6: Final answer
    x = 5,845.39

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Find fourth proportional to 3,796.38, 5,239.02 and 2,117.89
Half scale
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Double scale
Find fourth proportional to 7,593.76, 10,479.42 and 4,236.78
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.