Home / 6,239.20-9,354.48-3,279.38

Finding the Fourth Proportional to 6,239.20, 9,354.48 and 3,279.38

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Solution

The fourth proportional to 6,239.20, 9,354.48 and 3,279.38 is: 4,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.20 : 9,354.48 = 3,279.38 : x
  2. Step 2: Convert to fraction form
    6,239.20/9,354.48 = 3,279.38/x
  3. Step 3: Cross multiply
    6,239.20x = 9,354.48 × 3,279.38
  4. Step 4: Simplify right side
    6,239.20x = 30,676,894.62
  5. Step 5: Solve for x
    x = 30,676,894.62/6,239.20
  6. Step 6: Final answer
    x = 4,916.80

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1.5x scale

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.