Home / 8,958.35-13,432.58-4,279.53

Finding the Fourth Proportional to 8,958.35, 13,432.58 and 4,279.53

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Solution

The fourth proportional to 8,958.35, 13,432.58 and 4,279.53 is: 6,416.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.35 : 13,432.58 = 4,279.53 : x
  2. Step 2: Convert to fraction form
    8,958.35/13,432.58 = 4,279.53/x
  3. Step 3: Cross multiply
    8,958.35x = 13,432.58 × 4,279.53
  4. Step 4: Simplify right side
    8,958.35x = 57,485,198.18
  5. Step 5: Solve for x
    x = 57,485,198.18/8,958.35
  6. Step 6: Final answer
    x = 6,416.94

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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.