Home / 5,154.27-7,731.40-2,961.60

Finding the Fourth Proportional to 5,154.27, 7,731.40 and 2,961.60

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Solution

The fourth proportional to 5,154.27, 7,731.40 and 2,961.60 is: 4,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.27 : 7,731.40 = 2,961.60 : x
  2. Step 2: Convert to fraction form
    5,154.27/7,731.40 = 2,961.60/x
  3. Step 3: Cross multiply
    5,154.27x = 7,731.40 × 2,961.60
  4. Step 4: Simplify right side
    5,154.27x = 22,897,283.40
  5. Step 5: Solve for x
    x = 22,897,283.40/5,154.27
  6. Step 6: Final answer
    x = 4,442.39

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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.