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Finding the Fourth Proportional to 8,952.80, 13,428.18 and 2,379.50

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Solution

The fourth proportional to 8,952.80, 13,428.18 and 2,379.50 is: 3,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.80 : 13,428.18 = 2,379.50 : x
  2. Step 2: Convert to fraction form
    8,952.80/13,428.18 = 2,379.50/x
  3. Step 3: Cross multiply
    8,952.80x = 13,428.18 × 2,379.50
  4. Step 4: Simplify right side
    8,952.80x = 31,952,287.17
  5. Step 5: Solve for x
    x = 31,952,287.17/8,952.80
  6. Step 6: Final answer
    x = 3,568.97

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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.