Home / 8,146.28-12,221.04-2,952.02

Finding the Fourth Proportional to 8,146.28, 12,221.04 and 2,952.02

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Solution

The fourth proportional to 8,146.28, 12,221.04 and 2,952.02 is: 4,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.28 : 12,221.04 = 2,952.02 : x
  2. Step 2: Convert to fraction form
    8,146.28/12,221.04 = 2,952.02/x
  3. Step 3: Cross multiply
    8,146.28x = 12,221.04 × 2,952.02
  4. Step 4: Simplify right side
    8,146.28x = 36,076,754.50
  5. Step 5: Solve for x
    x = 36,076,754.50/8,146.28
  6. Step 6: Final answer
    x = 4,428.62

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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.