Home / 8,655.13-12,981.30-2,414.49

Finding the Fourth Proportional to 8,655.13, 12,981.30 and 2,414.49

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Solution

The fourth proportional to 8,655.13, 12,981.30 and 2,414.49 is: 3,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655.13 : 12,981.30 = 2,414.49 : x
  2. Step 2: Convert to fraction form
    8,655.13/12,981.30 = 2,414.49/x
  3. Step 3: Cross multiply
    8,655.13x = 12,981.30 × 2,414.49
  4. Step 4: Simplify right side
    8,655.13x = 31,343,219.04
  5. Step 5: Solve for x
    x = 31,343,219.04/8,655.13
  6. Step 6: Final answer
    x = 3,621.35

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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.