Home / 8,822.10-13,233.15-3,889.20

Finding the Fourth Proportional to 8,822.10, 13,233.15 and 3,889.20

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Solution

The fourth proportional to 8,822.10, 13,233.15 and 3,889.20 is: 5,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.10 : 13,233.15 = 3,889.20 : x
  2. Step 2: Convert to fraction form
    8,822.10/13,233.15 = 3,889.20/x
  3. Step 3: Cross multiply
    8,822.10x = 13,233.15 × 3,889.20
  4. Step 4: Simplify right side
    8,822.10x = 51,466,366.98
  5. Step 5: Solve for x
    x = 51,466,366.98/8,822.10
  6. Step 6: Final answer
    x = 5,833.80

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Similar ratio
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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.