Home / 5,110.11-7,665.17-2,186.53

Finding the Fourth Proportional to 5,110.11, 7,665.17 and 2,186.53

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Solution

The fourth proportional to 5,110.11, 7,665.17 and 2,186.53 is: 3,279.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.11 : 7,665.17 = 2,186.53 : x
  2. Step 2: Convert to fraction form
    5,110.11/7,665.17 = 2,186.53/x
  3. Step 3: Cross multiply
    5,110.11x = 7,665.17 × 2,186.53
  4. Step 4: Simplify right side
    5,110.11x = 16,760,094.06
  5. Step 5: Solve for x
    x = 16,760,094.06/5,110.11
  6. Step 6: Final answer
    x = 3,279.79

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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.