Home / 8,952.29-13,428.69-4,272.79

Finding the Fourth Proportional to 8,952.29, 13,428.69 and 4,272.79

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Solution

The fourth proportional to 8,952.29, 13,428.69 and 4,272.79 is: 6,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.29 : 13,428.69 = 4,272.79 : x
  2. Step 2: Convert to fraction form
    8,952.29/13,428.69 = 4,272.79/x
  3. Step 3: Cross multiply
    8,952.29x = 13,428.69 × 4,272.79
  4. Step 4: Simplify right side
    8,952.29x = 57,377,905.20
  5. Step 5: Solve for x
    x = 57,377,905.20/8,952.29
  6. Step 6: Final answer
    x = 6,409.30

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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.