Home / 4,989.16-7,517.55-4,142.44

Finding the Fourth Proportional to 4,989.16, 7,517.55 and 4,142.44

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Solution

The fourth proportional to 4,989.16, 7,517.55 and 4,142.44 is: 6,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.16 : 7,517.55 = 4,142.44 : x
  2. Step 2: Convert to fraction form
    4,989.16/7,517.55 = 4,142.44/x
  3. Step 3: Cross multiply
    4,989.16x = 7,517.55 × 4,142.44
  4. Step 4: Simplify right side
    4,989.16x = 31,140,999.82
  5. Step 5: Solve for x
    x = 31,140,999.82/4,989.16
  6. Step 6: Final answer
    x = 6,241.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.