Home / 5,158.97-7,119.52-3,034.65

Finding the Fourth Proportional to 5,158.97, 7,119.52 and 3,034.65

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Solution

The fourth proportional to 5,158.97, 7,119.52 and 3,034.65 is: 4,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.97 : 7,119.52 = 3,034.65 : x
  2. Step 2: Convert to fraction form
    5,158.97/7,119.52 = 3,034.65/x
  3. Step 3: Cross multiply
    5,158.97x = 7,119.52 × 3,034.65
  4. Step 4: Simplify right side
    5,158.97x = 21,605,243.78
  5. Step 5: Solve for x
    x = 21,605,243.78/5,158.97
  6. Step 6: Final answer
    x = 4,187.90

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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.