Home / 7,350.75-10,144.04-4,038.75

Finding the Fourth Proportional to 7,350.75, 10,144.04 and 4,038.75

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Solution

The fourth proportional to 7,350.75, 10,144.04 and 4,038.75 is: 5,573.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.75 : 10,144.04 = 4,038.75 : x
  2. Step 2: Convert to fraction form
    7,350.75/10,144.04 = 4,038.75/x
  3. Step 3: Cross multiply
    7,350.75x = 10,144.04 × 4,038.75
  4. Step 4: Simplify right side
    7,350.75x = 40,969,221.36
  5. Step 5: Solve for x
    x = 40,969,221.36/7,350.75
  6. Step 6: Final answer
    x = 5,573.48

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Half scale
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Double scale
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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.