Home / 5,809.30-8,016.85-3,291.87

Finding the Fourth Proportional to 5,809.30, 8,016.85 and 3,291.87

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Solution

The fourth proportional to 5,809.30, 8,016.85 and 3,291.87 is: 4,542.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.30 : 8,016.85 = 3,291.87 : x
  2. Step 2: Convert to fraction form
    5,809.30/8,016.85 = 3,291.87/x
  3. Step 3: Cross multiply
    5,809.30x = 8,016.85 × 3,291.87
  4. Step 4: Simplify right side
    5,809.30x = 26,390,428.01
  5. Step 5: Solve for x
    x = 26,390,428.01/5,809.30
  6. Step 6: Final answer
    x = 4,542.79

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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.