Home / 7,134.06-9,844.69-3,947.54

Finding the Fourth Proportional to 7,134.06, 9,844.69 and 3,947.54

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Solution

The fourth proportional to 7,134.06, 9,844.69 and 3,947.54 is: 5,447.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.06 : 9,844.69 = 3,947.54 : x
  2. Step 2: Convert to fraction form
    7,134.06/9,844.69 = 3,947.54/x
  3. Step 3: Cross multiply
    7,134.06x = 9,844.69 × 3,947.54
  4. Step 4: Simplify right side
    7,134.06x = 38,862,255.87
  5. Step 5: Solve for x
    x = 38,862,255.87/7,134.06
  6. Step 6: Final answer
    x = 5,447.42

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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.