Home / 5,291.91-7,294.32-3,589.86

Finding the Fourth Proportional to 5,291.91, 7,294.32 and 3,589.86

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Solution

The fourth proportional to 5,291.91, 7,294.32 and 3,589.86 is: 4,948.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.91 : 7,294.32 = 3,589.86 : x
  2. Step 2: Convert to fraction form
    5,291.91/7,294.32 = 3,589.86/x
  3. Step 3: Cross multiply
    5,291.91x = 7,294.32 × 3,589.86
  4. Step 4: Simplify right side
    5,291.91x = 26,185,587.60
  5. Step 5: Solve for x
    x = 26,185,587.60/5,291.91
  6. Step 6: Final answer
    x = 4,948.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.