Home / 6,517.13-8,989.65-3,862.76

Finding the Fourth Proportional to 6,517.13, 8,989.65 and 3,862.76

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Solution

The fourth proportional to 6,517.13, 8,989.65 and 3,862.76 is: 5,328.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.13 : 8,989.65 = 3,862.76 : x
  2. Step 2: Convert to fraction form
    6,517.13/8,989.65 = 3,862.76/x
  3. Step 3: Cross multiply
    6,517.13x = 8,989.65 × 3,862.76
  4. Step 4: Simplify right side
    6,517.13x = 34,724,815.49
  5. Step 5: Solve for x
    x = 34,724,815.49/6,517.13
  6. Step 6: Final answer
    x = 5,328.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.