Home / 10,406.38-15,609.57-3,110.38

Finding the Fourth Proportional to 10,406.38, 15,609.57 and 3,110.38

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Solution

The fourth proportional to 10,406.38, 15,609.57 and 3,110.38 is: 4,665.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406.38 : 15,609.57 = 3,110.38 : x
  2. Step 2: Convert to fraction form
    10,406.38/15,609.57 = 3,110.38/x
  3. Step 3: Cross multiply
    10,406.38x = 15,609.57 × 3,110.38
  4. Step 4: Simplify right side
    10,406.38x = 48,551,600.74
  5. Step 5: Solve for x
    x = 48,551,600.74/10,406.38
  6. Step 6: Final answer
    x = 4,665.56

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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.