Home / 8,404.20-12,606.30-3,724.20

Finding the Fourth Proportional to 8,404.20, 12,606.30 and 3,724.20

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Solution

The fourth proportional to 8,404.20, 12,606.30 and 3,724.20 is: 5,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.20 : 12,606.30 = 3,724.20 : x
  2. Step 2: Convert to fraction form
    8,404.20/12,606.30 = 3,724.20/x
  3. Step 3: Cross multiply
    8,404.20x = 12,606.30 × 3,724.20
  4. Step 4: Simplify right side
    8,404.20x = 46,948,382.46
  5. Step 5: Solve for x
    x = 46,948,382.46/8,404.20
  6. Step 6: Final answer
    x = 5,586.30

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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.