Home / 7,505.10-11,257.65-3,125.70

Finding the Fourth Proportional to 7,505.10, 11,257.65 and 3,125.70

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Solution

The fourth proportional to 7,505.10, 11,257.65 and 3,125.70 is: 4,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.10 : 11,257.65 = 3,125.70 : x
  2. Step 2: Convert to fraction form
    7,505.10/11,257.65 = 3,125.70/x
  3. Step 3: Cross multiply
    7,505.10x = 11,257.65 × 3,125.70
  4. Step 4: Simplify right side
    7,505.10x = 35,188,036.61
  5. Step 5: Solve for x
    x = 35,188,036.61/7,505.10
  6. Step 6: Final answer
    x = 4,688.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.