Home / 8,434.22-12,644.18-3,500.78

Finding the Fourth Proportional to 8,434.22, 12,644.18 and 3,500.78

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Solution

The fourth proportional to 8,434.22, 12,644.18 and 3,500.78 is: 5,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.22 : 12,644.18 = 3,500.78 : x
  2. Step 2: Convert to fraction form
    8,434.22/12,644.18 = 3,500.78/x
  3. Step 3: Cross multiply
    8,434.22x = 12,644.18 × 3,500.78
  4. Step 4: Simplify right side
    8,434.22x = 44,264,492.46
  5. Step 5: Solve for x
    x = 44,264,492.46/8,434.22
  6. Step 6: Final answer
    x = 5,248.20

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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.