Home / 5,034.11-6,945.64-3,147.59

Finding the Fourth Proportional to 5,034.11, 6,945.64 and 3,147.59

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Solution

The fourth proportional to 5,034.11, 6,945.64 and 3,147.59 is: 4,342.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,034.11 : 6,945.64 = 3,147.59 : x
  2. Step 2: Convert to fraction form
    5,034.11/6,945.64 = 3,147.59/x
  3. Step 3: Cross multiply
    5,034.11x = 6,945.64 × 3,147.59
  4. Step 4: Simplify right side
    5,034.11x = 21,862,036.50
  5. Step 5: Solve for x
    x = 21,862,036.50/5,034.11
  6. Step 6: Final answer
    x = 4,342.79

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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.