Home / 6,279.46-9,418.88-2,331.49

Finding the Fourth Proportional to 6,279.46, 9,418.88 and 2,331.49

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Solution

The fourth proportional to 6,279.46, 9,418.88 and 2,331.49 is: 3,497.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.46 : 9,418.88 = 2,331.49 : x
  2. Step 2: Convert to fraction form
    6,279.46/9,418.88 = 2,331.49/x
  3. Step 3: Cross multiply
    6,279.46x = 9,418.88 × 2,331.49
  4. Step 4: Simplify right side
    6,279.46x = 21,959,977.44
  5. Step 5: Solve for x
    x = 21,959,977.44/6,279.46
  6. Step 6: Final answer
    x = 3,497.11

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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.