Home / 9,094.75-12,550.47-5,115.76

Finding the Fourth Proportional to 9,094.75, 12,550.47 and 5,115.76

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Solution

The fourth proportional to 9,094.75, 12,550.47 and 5,115.76 is: 7,059.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,094.75 : 12,550.47 = 5,115.76 : x
  2. Step 2: Convert to fraction form
    9,094.75/12,550.47 = 5,115.76/x
  3. Step 3: Cross multiply
    9,094.75x = 12,550.47 × 5,115.76
  4. Step 4: Simplify right side
    9,094.75x = 64,205,192.41
  5. Step 5: Solve for x
    x = 64,205,192.41/9,094.75
  6. Step 6: Final answer
    x = 7,059.59

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Half scale
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Double scale
Find fourth proportional to 9,095.75, 12,551.85 and 5,116.76
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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.