Home / 5,480.68-7,562.22-3,122.20

Finding the Fourth Proportional to 5,480.68, 7,562.22 and 3,122.20

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Solution

The fourth proportional to 5,480.68, 7,562.22 and 3,122.20 is: 4,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.68 : 7,562.22 = 3,122.20 : x
  2. Step 2: Convert to fraction form
    5,480.68/7,562.22 = 3,122.20/x
  3. Step 3: Cross multiply
    5,480.68x = 7,562.22 × 3,122.20
  4. Step 4: Simplify right side
    5,480.68x = 23,610,763.28
  5. Step 5: Solve for x
    x = 23,610,763.28/5,480.68
  6. Step 6: Final answer
    x = 4,308.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.