Home / 5,590.26-8,387.28-3,511.80

Finding the Fourth Proportional to 5,590.26, 8,387.28 and 3,511.80

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Solution

The fourth proportional to 5,590.26, 8,387.28 and 3,511.80 is: 5,268.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.26 : 8,387.28 = 3,511.80 : x
  2. Step 2: Convert to fraction form
    5,590.26/8,387.28 = 3,511.80/x
  3. Step 3: Cross multiply
    5,590.26x = 8,387.28 × 3,511.80
  4. Step 4: Simplify right side
    5,590.26x = 29,454,449.90
  5. Step 5: Solve for x
    x = 29,454,449.90/5,590.26
  6. Step 6: Final answer
    x = 5,268.89

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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.