Home / 5,055.31-7,590.05-2,591.90

Finding the Fourth Proportional to 5,055.31, 7,590.05 and 2,591.90

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Solution

The fourth proportional to 5,055.31, 7,590.05 and 2,591.90 is: 3,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.31 : 7,590.05 = 2,591.90 : x
  2. Step 2: Convert to fraction form
    5,055.31/7,590.05 = 2,591.90/x
  3. Step 3: Cross multiply
    5,055.31x = 7,590.05 × 2,591.90
  4. Step 4: Simplify right side
    5,055.31x = 19,672,650.60
  5. Step 5: Solve for x
    x = 19,672,650.60/5,055.31
  6. Step 6: Final answer
    x = 3,891.48

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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.