Home / 8,264.26-12,384.02-3,331.20

Finding the Fourth Proportional to 8,264.26, 12,384.02 and 3,331.20

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Solution

The fourth proportional to 8,264.26, 12,384.02 and 3,331.20 is: 4,991.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.26 : 12,384.02 = 3,331.20 : x
  2. Step 2: Convert to fraction form
    8,264.26/12,384.02 = 3,331.20/x
  3. Step 3: Cross multiply
    8,264.26x = 12,384.02 × 3,331.20
  4. Step 4: Simplify right side
    8,264.26x = 41,253,647.42
  5. Step 5: Solve for x
    x = 41,253,647.42/8,264.26
  6. Step 6: Final answer
    x = 4,991.81

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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.