Home / 5,181.17-7,150.28-2,942.73

Finding the Fourth Proportional to 5,181.17, 7,150.28 and 2,942.73

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Solution

The fourth proportional to 5,181.17, 7,150.28 and 2,942.73 is: 4,061.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.17 : 7,150.28 = 2,942.73 : x
  2. Step 2: Convert to fraction form
    5,181.17/7,150.28 = 2,942.73/x
  3. Step 3: Cross multiply
    5,181.17x = 7,150.28 × 2,942.73
  4. Step 4: Simplify right side
    5,181.17x = 21,041,328.75
  5. Step 5: Solve for x
    x = 21,041,328.75/5,181.17
  6. Step 6: Final answer
    x = 4,061.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.