Home / 4,781.49-7,172.28-1,494.60

Finding the Fourth Proportional to 4,781.49, 7,172.28 and 1,494.60

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Solution

The fourth proportional to 4,781.49, 7,172.28 and 1,494.60 is: 2,241.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.49 : 7,172.28 = 1,494.60 : x
  2. Step 2: Convert to fraction form
    4,781.49/7,172.28 = 1,494.60/x
  3. Step 3: Cross multiply
    4,781.49x = 7,172.28 × 1,494.60
  4. Step 4: Simplify right side
    4,781.49x = 10,719,689.69
  5. Step 5: Solve for x
    x = 10,719,689.69/4,781.49
  6. Step 6: Final answer
    x = 2,241.91

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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.