Home / 8,508.75-12,752.34-3,823.76

Finding the Fourth Proportional to 8,508.75, 12,752.34 and 3,823.76

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Solution

The fourth proportional to 8,508.75, 12,752.34 and 3,823.76 is: 5,730.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.75 : 12,752.34 = 3,823.76 : x
  2. Step 2: Convert to fraction form
    8,508.75/12,752.34 = 3,823.76/x
  3. Step 3: Cross multiply
    8,508.75x = 12,752.34 × 3,823.76
  4. Step 4: Simplify right side
    8,508.75x = 48,761,833.41
  5. Step 5: Solve for x
    x = 48,761,833.41/8,508.75
  6. Step 6: Final answer
    x = 5,730.79

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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.