Home / 8,862.72-13,299.20-3,596.64

Finding the Fourth Proportional to 8,862.72, 13,299.20 and 3,596.64

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Solution

The fourth proportional to 8,862.72, 13,299.20 and 3,596.64 is: 5,397.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.72 : 13,299.20 = 3,596.64 : x
  2. Step 2: Convert to fraction form
    8,862.72/13,299.20 = 3,596.64/x
  3. Step 3: Cross multiply
    8,862.72x = 13,299.20 × 3,596.64
  4. Step 4: Simplify right side
    8,862.72x = 47,832,434.69
  5. Step 5: Solve for x
    x = 47,832,434.69/8,862.72
  6. Step 6: Final answer
    x = 5,397.04

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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.