Home / 8,299.90-12,449.85-4,406.14

Finding the Fourth Proportional to 8,299.90, 12,449.85 and 4,406.14

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Solution

The fourth proportional to 8,299.90, 12,449.85 and 4,406.14 is: 6,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.90 : 12,449.85 = 4,406.14 : x
  2. Step 2: Convert to fraction form
    8,299.90/12,449.85 = 4,406.14/x
  3. Step 3: Cross multiply
    8,299.90x = 12,449.85 × 4,406.14
  4. Step 4: Simplify right side
    8,299.90x = 54,855,782.08
  5. Step 5: Solve for x
    x = 54,855,782.08/8,299.90
  6. Step 6: Final answer
    x = 6,609.21

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Similar ratio
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1.5x scale

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.