Home / 6,724.11-9,279.50-3,699.36

Finding the Fourth Proportional to 6,724.11, 9,279.50 and 3,699.36

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Solution

The fourth proportional to 6,724.11, 9,279.50 and 3,699.36 is: 5,105.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.11 : 9,279.50 = 3,699.36 : x
  2. Step 2: Convert to fraction form
    6,724.11/9,279.50 = 3,699.36/x
  3. Step 3: Cross multiply
    6,724.11x = 9,279.50 × 3,699.36
  4. Step 4: Simplify right side
    6,724.11x = 34,328,213.43
  5. Step 5: Solve for x
    x = 34,328,213.43/6,724.11
  6. Step 6: Final answer
    x = 5,105.24

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1.5x scale

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.