Home / 8,861.30-12,217.22-7,262.06

Finding the Fourth Proportional to 8,861.30, 12,217.22 and 7,262.06

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Solution

The fourth proportional to 8,861.30, 12,217.22 and 7,262.06 is: 10,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.30 : 12,217.22 = 7,262.06 : x
  2. Step 2: Convert to fraction form
    8,861.30/12,217.22 = 7,262.06/x
  3. Step 3: Cross multiply
    8,861.30x = 12,217.22 × 7,262.06
  4. Step 4: Simplify right side
    8,861.30x = 88,722,184.67
  5. Step 5: Solve for x
    x = 88,722,184.67/8,861.30
  6. Step 6: Final answer
    x = 10,012.32

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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.