Home / 10,504.71-15,761.85-3,931.41

Finding the Fourth Proportional to 10,504.71, 15,761.85 and 3,931.41

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Solution

The fourth proportional to 10,504.71, 15,761.85 and 3,931.41 is: 5,898.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504.71 : 15,761.85 = 3,931.41 : x
  2. Step 2: Convert to fraction form
    10,504.71/15,761.85 = 3,931.41/x
  3. Step 3: Cross multiply
    10,504.71x = 15,761.85 × 3,931.41
  4. Step 4: Simplify right side
    10,504.71x = 61,966,309.45
  5. Step 5: Solve for x
    x = 61,966,309.45/10,504.71
  6. Step 6: Final answer
    x = 5,898.91

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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.