Home / 6,391.74-9,590.34-3,472.14

Finding the Fourth Proportional to 6,391.74, 9,590.34 and 3,472.14

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Solution

The fourth proportional to 6,391.74, 9,590.34 and 3,472.14 is: 5,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.74 : 9,590.34 = 3,472.14 : x
  2. Step 2: Convert to fraction form
    6,391.74/9,590.34 = 3,472.14/x
  3. Step 3: Cross multiply
    6,391.74x = 9,590.34 × 3,472.14
  4. Step 4: Simplify right side
    6,391.74x = 33,299,003.13
  5. Step 5: Solve for x
    x = 33,299,003.13/6,391.74
  6. Step 6: Final answer
    x = 5,209.69

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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.