Home / 10,411.92-15,609.24-4,862.40

Finding the Fourth Proportional to 10,411.92, 15,609.24 and 4,862.40

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Solution

The fourth proportional to 10,411.92, 15,609.24 and 4,862.40 is: 7,289.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411.92 : 15,609.24 = 4,862.40 : x
  2. Step 2: Convert to fraction form
    10,411.92/15,609.24 = 4,862.40/x
  3. Step 3: Cross multiply
    10,411.92x = 15,609.24 × 4,862.40
  4. Step 4: Simplify right side
    10,411.92x = 75,898,368.58
  5. Step 5: Solve for x
    x = 75,898,368.58/10,411.92
  6. Step 6: Final answer
    x = 7,289.57

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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.