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Finding the Fourth Proportional to 8,958.29, 13,437.20 and 4,281.60

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Solution

The fourth proportional to 8,958.29, 13,437.20 and 4,281.60 is: 6,422.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.29 : 13,437.20 = 4,281.60 : x
  2. Step 2: Convert to fraction form
    8,958.29/13,437.20 = 4,281.60/x
  3. Step 3: Cross multiply
    8,958.29x = 13,437.20 × 4,281.60
  4. Step 4: Simplify right side
    8,958.29x = 57,532,726.22
  5. Step 5: Solve for x
    x = 57,532,726.22/8,958.29
  6. Step 6: Final answer
    x = 6,422.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.