Home / 4,781.03-7,171.53-3,137.18

Finding the Fourth Proportional to 4,781.03, 7,171.53 and 3,137.18

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Solution

The fourth proportional to 4,781.03, 7,171.53 and 3,137.18 is: 4,705.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.03 : 7,171.53 = 3,137.18 : x
  2. Step 2: Convert to fraction form
    4,781.03/7,171.53 = 3,137.18/x
  3. Step 3: Cross multiply
    4,781.03x = 7,171.53 × 3,137.18
  4. Step 4: Simplify right side
    4,781.03x = 22,498,380.49
  5. Step 5: Solve for x
    x = 22,498,380.49/4,781.03
  6. Step 6: Final answer
    x = 4,705.76

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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.