Home / 8,819.06-12,169.50-5,233.40

Finding the Fourth Proportional to 8,819.06, 12,169.50 and 5,233.40

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Solution

The fourth proportional to 8,819.06, 12,169.50 and 5,233.40 is: 7,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.06 : 12,169.50 = 5,233.40 : x
  2. Step 2: Convert to fraction form
    8,819.06/12,169.50 = 5,233.40/x
  3. Step 3: Cross multiply
    8,819.06x = 12,169.50 × 5,233.40
  4. Step 4: Simplify right side
    8,819.06x = 63,687,861.30
  5. Step 5: Solve for x
    x = 63,687,861.30/8,819.06
  6. Step 6: Final answer
    x = 7,221.62

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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.