Home / 6,108.30-9,161.85-1,947.57

Finding the Fourth Proportional to 6,108.30, 9,161.85 and 1,947.57

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Solution

The fourth proportional to 6,108.30, 9,161.85 and 1,947.57 is: 2,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.30 : 9,161.85 = 1,947.57 : x
  2. Step 2: Convert to fraction form
    6,108.30/9,161.85 = 1,947.57/x
  3. Step 3: Cross multiply
    6,108.30x = 9,161.85 × 1,947.57
  4. Step 4: Simplify right side
    6,108.30x = 17,843,344.20
  5. Step 5: Solve for x
    x = 17,843,344.20/6,108.30
  6. Step 6: Final answer
    x = 2,921.16

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Similar ratio
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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.