Home / 8,269.13-12,387.02-3,820.52

Finding the Fourth Proportional to 8,269.13, 12,387.02 and 3,820.52

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Solution

The fourth proportional to 8,269.13, 12,387.02 and 3,820.52 is: 5,723.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.13 : 12,387.02 = 3,820.52 : x
  2. Step 2: Convert to fraction form
    8,269.13/12,387.02 = 3,820.52/x
  3. Step 3: Cross multiply
    8,269.13x = 12,387.02 × 3,820.52
  4. Step 4: Simplify right side
    8,269.13x = 47,324,776.61
  5. Step 5: Solve for x
    x = 47,324,776.61/8,269.13
  6. Step 6: Final answer
    x = 5,723.07

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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.