Home / 5,440.78-7,508.19-3,202.39

Finding the Fourth Proportional to 5,440.78, 7,508.19 and 3,202.39

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Solution

The fourth proportional to 5,440.78, 7,508.19 and 3,202.39 is: 4,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.78 : 7,508.19 = 3,202.39 : x
  2. Step 2: Convert to fraction form
    5,440.78/7,508.19 = 3,202.39/x
  3. Step 3: Cross multiply
    5,440.78x = 7,508.19 × 3,202.39
  4. Step 4: Simplify right side
    5,440.78x = 24,044,152.57
  5. Step 5: Solve for x
    x = 24,044,152.57/5,440.78
  6. Step 6: Final answer
    x = 4,419.25

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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.