Home / 8,170.30-12,252.54-3,490.12

Finding the Fourth Proportional to 8,170.30, 12,252.54 and 3,490.12

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Solution

The fourth proportional to 8,170.30, 12,252.54 and 3,490.12 is: 5,233.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.30 : 12,252.54 = 3,490.12 : x
  2. Step 2: Convert to fraction form
    8,170.30/12,252.54 = 3,490.12/x
  3. Step 3: Cross multiply
    8,170.30x = 12,252.54 × 3,490.12
  4. Step 4: Simplify right side
    8,170.30x = 42,762,834.90
  5. Step 5: Solve for x
    x = 42,762,834.90/8,170.30
  6. Step 6: Final answer
    x = 5,233.94

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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.