Home / 6,120.20-9,177.96-1,959.32

Finding the Fourth Proportional to 6,120.20, 9,177.96 and 1,959.32

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Solution

The fourth proportional to 6,120.20, 9,177.96 and 1,959.32 is: 2,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.20 : 9,177.96 = 1,959.32 : x
  2. Step 2: Convert to fraction form
    6,120.20/9,177.96 = 1,959.32/x
  3. Step 3: Cross multiply
    6,120.20x = 9,177.96 × 1,959.32
  4. Step 4: Simplify right side
    6,120.20x = 17,982,560.59
  5. Step 5: Solve for x
    x = 17,982,560.59/6,120.20
  6. Step 6: Final answer
    x = 2,938.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.