Home / 4,891.44-6,750.90-2,874.76

Finding the Fourth Proportional to 4,891.44, 6,750.90 and 2,874.76

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Solution

The fourth proportional to 4,891.44, 6,750.90 and 2,874.76 is: 3,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.44 : 6,750.90 = 2,874.76 : x
  2. Step 2: Convert to fraction form
    4,891.44/6,750.90 = 2,874.76/x
  3. Step 3: Cross multiply
    4,891.44x = 6,750.90 × 2,874.76
  4. Step 4: Simplify right side
    4,891.44x = 19,407,217.28
  5. Step 5: Solve for x
    x = 19,407,217.28/4,891.44
  6. Step 6: Final answer
    x = 3,967.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.