Home / 6,675.36-9,211.90-3,691.13

Finding the Fourth Proportional to 6,675.36, 9,211.90 and 3,691.13

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Solution

The fourth proportional to 6,675.36, 9,211.90 and 3,691.13 is: 5,093.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,675.36 : 9,211.90 = 3,691.13 : x
  2. Step 2: Convert to fraction form
    6,675.36/9,211.90 = 3,691.13/x
  3. Step 3: Cross multiply
    6,675.36x = 9,211.90 × 3,691.13
  4. Step 4: Simplify right side
    6,675.36x = 34,002,301.99
  5. Step 5: Solve for x
    x = 34,002,301.99/6,675.36
  6. Step 6: Final answer
    x = 5,093.70

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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.