Home / 6,387.75-9,577.18-2,686.97

Finding the Fourth Proportional to 6,387.75, 9,577.18 and 2,686.97

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Solution

The fourth proportional to 6,387.75, 9,577.18 and 2,686.97 is: 4,028.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.75 : 9,577.18 = 2,686.97 : x
  2. Step 2: Convert to fraction form
    6,387.75/9,577.18 = 2,686.97/x
  3. Step 3: Cross multiply
    6,387.75x = 9,577.18 × 2,686.97
  4. Step 4: Simplify right side
    6,387.75x = 25,733,595.34
  5. Step 5: Solve for x
    x = 25,733,595.34/6,387.75
  6. Step 6: Final answer
    x = 4,028.59

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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.