Home / 5,480.16-8,217.80-3,400.08

Finding the Fourth Proportional to 5,480.16, 8,217.80 and 3,400.08

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Solution

The fourth proportional to 5,480.16, 8,217.80 and 3,400.08 is: 5,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.16 : 8,217.80 = 3,400.08 : x
  2. Step 2: Convert to fraction form
    5,480.16/8,217.80 = 3,400.08/x
  3. Step 3: Cross multiply
    5,480.16x = 8,217.80 × 3,400.08
  4. Step 4: Simplify right side
    5,480.16x = 27,941,177.42
  5. Step 5: Solve for x
    x = 27,941,177.42/5,480.16
  6. Step 6: Final answer
    x = 5,098.61

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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.