Home / 8,229.33-12,348.50-5,418.11

Finding the Fourth Proportional to 8,229.33, 12,348.50 and 5,418.11

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Solution

The fourth proportional to 8,229.33, 12,348.50 and 5,418.11 is: 8,130.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.33 : 12,348.50 = 5,418.11 : x
  2. Step 2: Convert to fraction form
    8,229.33/12,348.50 = 5,418.11/x
  3. Step 3: Cross multiply
    8,229.33x = 12,348.50 × 5,418.11
  4. Step 4: Simplify right side
    8,229.33x = 66,905,535.12
  5. Step 5: Solve for x
    x = 66,905,535.12/8,229.33
  6. Step 6: Final answer
    x = 8,130.13

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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.