Home / 5,589.20-8,425.10-5,205.20

Finding the Fourth Proportional to 5,589.20, 8,425.10 and 5,205.20

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Solution

The fourth proportional to 5,589.20, 8,425.10 and 5,205.20 is: 7,846.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.20 : 8,425.10 = 5,205.20 : x
  2. Step 2: Convert to fraction form
    5,589.20/8,425.10 = 5,205.20/x
  3. Step 3: Cross multiply
    5,589.20x = 8,425.10 × 5,205.20
  4. Step 4: Simplify right side
    5,589.20x = 43,854,330.52
  5. Step 5: Solve for x
    x = 43,854,330.52/5,589.20
  6. Step 6: Final answer
    x = 7,846.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.