Home / 8,281.26-12,418.25-4,384.76

Finding the Fourth Proportional to 8,281.26, 12,418.25 and 4,384.76

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Solution

The fourth proportional to 8,281.26, 12,418.25 and 4,384.76 is: 6,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.26 : 12,418.25 = 4,384.76 : x
  2. Step 2: Convert to fraction form
    8,281.26/12,418.25 = 4,384.76/x
  3. Step 3: Cross multiply
    8,281.26x = 12,418.25 × 4,384.76
  4. Step 4: Simplify right side
    8,281.26x = 54,450,961.85
  5. Step 5: Solve for x
    x = 54,450,961.85/8,281.26
  6. Step 6: Final answer
    x = 6,575.20

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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.