Home / 10,502.87-15,757.39-3,107.53

Finding the Fourth Proportional to 10,502.87, 15,757.39 and 3,107.53

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Solution

The fourth proportional to 10,502.87, 15,757.39 and 3,107.53 is: 4,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502.87 : 15,757.39 = 3,107.53 : x
  2. Step 2: Convert to fraction form
    10,502.87/15,757.39 = 3,107.53/x
  3. Step 3: Cross multiply
    10,502.87x = 15,757.39 × 3,107.53
  4. Step 4: Simplify right side
    10,502.87x = 48,966,562.15
  5. Step 5: Solve for x
    x = 48,966,562.15/10,502.87
  6. Step 6: Final answer
    x = 4,662.21

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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.