Home / 6,674.78-9,211.75-3,691.19

Finding the Fourth Proportional to 6,674.78, 9,211.75 and 3,691.19

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Solution

The fourth proportional to 6,674.78, 9,211.75 and 3,691.19 is: 5,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,674.78 : 9,211.75 = 3,691.19 : x
  2. Step 2: Convert to fraction form
    6,674.78/9,211.75 = 3,691.19/x
  3. Step 3: Cross multiply
    6,674.78x = 9,211.75 × 3,691.19
  4. Step 4: Simplify right side
    6,674.78x = 34,002,333.28
  5. Step 5: Solve for x
    x = 34,002,333.28/6,674.78
  6. Step 6: Final answer
    x = 5,094.15

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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.