Home / 8,350.02-12,520.17-3,156.30

Finding the Fourth Proportional to 8,350.02, 12,520.17 and 3,156.30

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Solution

The fourth proportional to 8,350.02, 12,520.17 and 3,156.30 is: 4,732.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.02 : 12,520.17 = 3,156.30 : x
  2. Step 2: Convert to fraction form
    8,350.02/12,520.17 = 3,156.30/x
  3. Step 3: Cross multiply
    8,350.02x = 12,520.17 × 3,156.30
  4. Step 4: Simplify right side
    8,350.02x = 39,517,412.57
  5. Step 5: Solve for x
    x = 39,517,412.57/8,350.02
  6. Step 6: Final answer
    x = 4,732.61

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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.