Home / 8,325.34-12,490.17-4,165.18

Finding the Fourth Proportional to 8,325.34, 12,490.17 and 4,165.18

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Solution

The fourth proportional to 8,325.34, 12,490.17 and 4,165.18 is: 6,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.34 : 12,490.17 = 4,165.18 : x
  2. Step 2: Convert to fraction form
    8,325.34/12,490.17 = 4,165.18/x
  3. Step 3: Cross multiply
    8,325.34x = 12,490.17 × 4,165.18
  4. Step 4: Simplify right side
    8,325.34x = 52,023,806.28
  5. Step 5: Solve for x
    x = 52,023,806.28/8,325.34
  6. Step 6: Final answer
    x = 6,248.85

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1.5x scale

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.