Home / 4,449.28-6,134.64-2,876.80

Finding the Fourth Proportional to 4,449.28, 6,134.64 and 2,876.80

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Solution

The fourth proportional to 4,449.28, 6,134.64 and 2,876.80 is: 3,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.28 : 6,134.64 = 2,876.80 : x
  2. Step 2: Convert to fraction form
    4,449.28/6,134.64 = 2,876.80/x
  3. Step 3: Cross multiply
    4,449.28x = 6,134.64 × 2,876.80
  4. Step 4: Simplify right side
    4,449.28x = 17,648,132.35
  5. Step 5: Solve for x
    x = 17,648,132.35/4,449.28
  6. Step 6: Final answer
    x = 3,966.51

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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.