Home / 5,422.26-8,129.88-3,567.76

Finding the Fourth Proportional to 5,422.26, 8,129.88 and 3,567.76

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Solution

The fourth proportional to 5,422.26, 8,129.88 and 3,567.76 is: 5,349.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.26 : 8,129.88 = 3,567.76 : x
  2. Step 2: Convert to fraction form
    5,422.26/8,129.88 = 3,567.76/x
  3. Step 3: Cross multiply
    5,422.26x = 8,129.88 × 3,567.76
  4. Step 4: Simplify right side
    5,422.26x = 29,005,460.67
  5. Step 5: Solve for x
    x = 29,005,460.67/5,422.26
  6. Step 6: Final answer
    x = 5,349.33

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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.