Home / 5,480.68-8,215.26-2,882.92

Finding the Fourth Proportional to 5,480.68, 8,215.26 and 2,882.92

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Solution

The fourth proportional to 5,480.68, 8,215.26 and 2,882.92 is: 4,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.68 : 8,215.26 = 2,882.92 : x
  2. Step 2: Convert to fraction form
    5,480.68/8,215.26 = 2,882.92/x
  3. Step 3: Cross multiply
    5,480.68x = 8,215.26 × 2,882.92
  4. Step 4: Simplify right side
    5,480.68x = 23,683,937.36
  5. Step 5: Solve for x
    x = 23,683,937.36/5,480.68
  6. Step 6: Final answer
    x = 4,321.35

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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.