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Finding the Fourth Proportional to 8,164.44, 12,248.28 and 2,321.28

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Solution

The fourth proportional to 8,164.44, 12,248.28 and 2,321.28 is: 3,482.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.44 : 12,248.28 = 2,321.28 : x
  2. Step 2: Convert to fraction form
    8,164.44/12,248.28 = 2,321.28/x
  3. Step 3: Cross multiply
    8,164.44x = 12,248.28 × 2,321.28
  4. Step 4: Simplify right side
    8,164.44x = 28,431,687.40
  5. Step 5: Solve for x
    x = 28,431,687.40/8,164.44
  6. Step 6: Final answer
    x = 3,482.38

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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.