Home / 8,581.50-11,847.33-6,481.98

Finding the Fourth Proportional to 8,581.50, 11,847.33 and 6,481.98

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Solution

The fourth proportional to 8,581.50, 11,847.33 and 6,481.98 is: 8,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.50 : 11,847.33 = 6,481.98 : x
  2. Step 2: Convert to fraction form
    8,581.50/11,847.33 = 6,481.98/x
  3. Step 3: Cross multiply
    8,581.50x = 11,847.33 × 6,481.98
  4. Step 4: Simplify right side
    8,581.50x = 76,794,156.11
  5. Step 5: Solve for x
    x = 76,794,156.11/8,581.50
  6. Step 6: Final answer
    x = 8,948.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.