Home / 6,387.09-9,572.31-3,264.45

Finding the Fourth Proportional to 6,387.09, 9,572.31 and 3,264.45

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Solution

The fourth proportional to 6,387.09, 9,572.31 and 3,264.45 is: 4,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.09 : 9,572.31 = 3,264.45 : x
  2. Step 2: Convert to fraction form
    6,387.09/9,572.31 = 3,264.45/x
  3. Step 3: Cross multiply
    6,387.09x = 9,572.31 × 3,264.45
  4. Step 4: Simplify right side
    6,387.09x = 31,248,327.38
  5. Step 5: Solve for x
    x = 31,248,327.38/6,387.09
  6. Step 6: Final answer
    x = 4,892.42

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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.