Home / 7,134.41-9,844.63-3,947.28

Finding the Fourth Proportional to 7,134.41, 9,844.63 and 3,947.28

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Solution

The fourth proportional to 7,134.41, 9,844.63 and 3,947.28 is: 5,446.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.41 : 9,844.63 = 3,947.28 : x
  2. Step 2: Convert to fraction form
    7,134.41/9,844.63 = 3,947.28/x
  3. Step 3: Cross multiply
    7,134.41x = 9,844.63 × 3,947.28
  4. Step 4: Simplify right side
    7,134.41x = 38,859,513.60
  5. Step 5: Solve for x
    x = 38,859,513.60/7,134.41
  6. Step 6: Final answer
    x = 5,446.78

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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.