Home / 4,522.28-6,240.66-2,947.40

Finding the Fourth Proportional to 4,522.28, 6,240.66 and 2,947.40

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Solution

The fourth proportional to 4,522.28, 6,240.66 and 2,947.40 is: 4,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,522.28 : 6,240.66 = 2,947.40 : x
  2. Step 2: Convert to fraction form
    4,522.28/6,240.66 = 2,947.40/x
  3. Step 3: Cross multiply
    4,522.28x = 6,240.66 × 2,947.40
  4. Step 4: Simplify right side
    4,522.28x = 18,393,721.28
  5. Step 5: Solve for x
    x = 18,393,721.28/4,522.28
  6. Step 6: Final answer
    x = 4,067.36

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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.