Home / 8,010.42-12,015.63-3,079.14

Finding the Fourth Proportional to 8,010.42, 12,015.63 and 3,079.14

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Solution

The fourth proportional to 8,010.42, 12,015.63 and 3,079.14 is: 4,618.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.42 : 12,015.63 = 3,079.14 : x
  2. Step 2: Convert to fraction form
    8,010.42/12,015.63 = 3,079.14/x
  3. Step 3: Cross multiply
    8,010.42x = 12,015.63 × 3,079.14
  4. Step 4: Simplify right side
    8,010.42x = 36,997,806.96
  5. Step 5: Solve for x
    x = 36,997,806.96/8,010.42
  6. Step 6: Final answer
    x = 4,618.71

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Half scale
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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.