Home / 7,951.16-11,926.75-2,686.19

Finding the Fourth Proportional to 7,951.16, 11,926.75 and 2,686.19

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Solution

The fourth proportional to 7,951.16, 11,926.75 and 2,686.19 is: 4,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.16 : 11,926.75 = 2,686.19 : x
  2. Step 2: Convert to fraction form
    7,951.16/11,926.75 = 2,686.19/x
  3. Step 3: Cross multiply
    7,951.16x = 11,926.75 × 2,686.19
  4. Step 4: Simplify right side
    7,951.16x = 32,037,473.33
  5. Step 5: Solve for x
    x = 32,037,473.33/7,951.16
  6. Step 6: Final answer
    x = 4,029.28

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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.