Home / 5,618.28-8,425.32-2,240.07

Finding the Fourth Proportional to 5,618.28, 8,425.32 and 2,240.07

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Solution

The fourth proportional to 5,618.28, 8,425.32 and 2,240.07 is: 3,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.28 : 8,425.32 = 2,240.07 : x
  2. Step 2: Convert to fraction form
    5,618.28/8,425.32 = 2,240.07/x
  3. Step 3: Cross multiply
    5,618.28x = 8,425.32 × 2,240.07
  4. Step 4: Simplify right side
    5,618.28x = 18,873,306.57
  5. Step 5: Solve for x
    x = 18,873,306.57/5,618.28
  6. Step 6: Final answer
    x = 3,359.27

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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.