Home / 8,077.44-12,121.28-4,181.84

Finding the Fourth Proportional to 8,077.44, 12,121.28 and 4,181.84

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Solution

The fourth proportional to 8,077.44, 12,121.28 and 4,181.84 is: 6,275.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.44 : 12,121.28 = 4,181.84 : x
  2. Step 2: Convert to fraction form
    8,077.44/12,121.28 = 4,181.84/x
  3. Step 3: Cross multiply
    8,077.44x = 12,121.28 × 4,181.84
  4. Step 4: Simplify right side
    8,077.44x = 50,689,253.56
  5. Step 5: Solve for x
    x = 50,689,253.56/8,077.44
  6. Step 6: Final answer
    x = 6,275.41

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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.