Home / 6,125.91-9,189.72-1,964.94

Finding the Fourth Proportional to 6,125.91, 9,189.72 and 1,964.94

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Solution

The fourth proportional to 6,125.91, 9,189.72 and 1,964.94 is: 2,947.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.91 : 9,189.72 = 1,964.94 : x
  2. Step 2: Convert to fraction form
    6,125.91/9,189.72 = 1,964.94/x
  3. Step 3: Cross multiply
    6,125.91x = 9,189.72 × 1,964.94
  4. Step 4: Simplify right side
    6,125.91x = 18,057,248.42
  5. Step 5: Solve for x
    x = 18,057,248.42/6,125.91
  6. Step 6: Final answer
    x = 2,947.68

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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.