Home / 4,023.68-5,578.40-3,881.12

Finding the Fourth Proportional to 4,023.68, 5,578.40 and 3,881.12

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Solution

The fourth proportional to 4,023.68, 5,578.40 and 3,881.12 is: 5,380.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,023.68 : 5,578.40 = 3,881.12 : x
  2. Step 2: Convert to fraction form
    4,023.68/5,578.40 = 3,881.12/x
  3. Step 3: Cross multiply
    4,023.68x = 5,578.40 × 3,881.12
  4. Step 4: Simplify right side
    4,023.68x = 21,650,439.81
  5. Step 5: Solve for x
    x = 21,650,439.81/4,023.68
  6. Step 6: Final answer
    x = 5,380.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.