Home / 5,043.20-6,959.52-2,947.28

Finding the Fourth Proportional to 5,043.20, 6,959.52 and 2,947.28

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Solution

The fourth proportional to 5,043.20, 6,959.52 and 2,947.28 is: 4,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.20 : 6,959.52 = 2,947.28 : x
  2. Step 2: Convert to fraction form
    5,043.20/6,959.52 = 2,947.28/x
  3. Step 3: Cross multiply
    5,043.20x = 6,959.52 × 2,947.28
  4. Step 4: Simplify right side
    5,043.20x = 20,511,654.11
  5. Step 5: Solve for x
    x = 20,511,654.11/5,043.20
  6. Step 6: Final answer
    x = 4,067.19

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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.