Home / 8,177.28-11,283.15-4,821.15

Finding the Fourth Proportional to 8,177.28, 11,283.15 and 4,821.15

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Solution

The fourth proportional to 8,177.28, 11,283.15 and 4,821.15 is: 6,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.28 : 11,283.15 = 4,821.15 : x
  2. Step 2: Convert to fraction form
    8,177.28/11,283.15 = 4,821.15/x
  3. Step 3: Cross multiply
    8,177.28x = 11,283.15 × 4,821.15
  4. Step 4: Simplify right side
    8,177.28x = 54,397,758.62
  5. Step 5: Solve for x
    x = 54,397,758.62/8,177.28
  6. Step 6: Final answer
    x = 6,652.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.