Home / 4,951.38-7,427.06-1,991.18

Finding the Fourth Proportional to 4,951.38, 7,427.06 and 1,991.18

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Solution

The fourth proportional to 4,951.38, 7,427.06 and 1,991.18 is: 2,986.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.38 : 7,427.06 = 1,991.18 : x
  2. Step 2: Convert to fraction form
    4,951.38/7,427.06 = 1,991.18/x
  3. Step 3: Cross multiply
    4,951.38x = 7,427.06 × 1,991.18
  4. Step 4: Simplify right side
    4,951.38x = 14,788,613.33
  5. Step 5: Solve for x
    x = 14,788,613.33/4,951.38
  6. Step 6: Final answer
    x = 2,986.77

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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.