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Finding the Fourth Proportional to 8,344.29, 12,526.29 and 3,417.87

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Solution

The fourth proportional to 8,344.29, 12,526.29 and 3,417.87 is: 5,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.29 : 12,526.29 = 3,417.87 : x
  2. Step 2: Convert to fraction form
    8,344.29/12,526.29 = 3,417.87/x
  3. Step 3: Cross multiply
    8,344.29x = 12,526.29 × 3,417.87
  4. Step 4: Simplify right side
    8,344.29x = 42,813,230.80
  5. Step 5: Solve for x
    x = 42,813,230.80/8,344.29
  6. Step 6: Final answer
    x = 5,130.84

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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.