Home / 4,781.45-7,172.18-1,494.56

Finding the Fourth Proportional to 4,781.45, 7,172.18 and 1,494.56

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Solution

The fourth proportional to 4,781.45, 7,172.18 and 1,494.56 is: 2,241.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.45 : 7,172.18 = 1,494.56 : x
  2. Step 2: Convert to fraction form
    4,781.45/7,172.18 = 1,494.56/x
  3. Step 3: Cross multiply
    4,781.45x = 7,172.18 × 1,494.56
  4. Step 4: Simplify right side
    4,781.45x = 10,719,255.21
  5. Step 5: Solve for x
    x = 10,719,255.21/4,781.45
  6. Step 6: Final answer
    x = 2,241.84

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1.5x scale

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.