Home / 8,702.13-13,062.41-5,417.53

Finding the Fourth Proportional to 8,702.13, 13,062.41 and 5,417.53

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Solution

The fourth proportional to 8,702.13, 13,062.41 and 5,417.53 is: 8,132.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702.13 : 13,062.41 = 5,417.53 : x
  2. Step 2: Convert to fraction form
    8,702.13/13,062.41 = 5,417.53/x
  3. Step 3: Cross multiply
    8,702.13x = 13,062.41 × 5,417.53
  4. Step 4: Simplify right side
    8,702.13x = 70,766,062.57
  5. Step 5: Solve for x
    x = 70,766,062.57/8,702.13
  6. Step 6: Final answer
    x = 8,132.04

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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.