Home / 5,181.16-7,150.28-2,942.68

Finding the Fourth Proportional to 5,181.16, 7,150.28 and 2,942.68

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Solution

The fourth proportional to 5,181.16, 7,150.28 and 2,942.68 is: 4,061.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.16 : 7,150.28 = 2,942.68 : x
  2. Step 2: Convert to fraction form
    5,181.16/7,150.28 = 2,942.68/x
  3. Step 3: Cross multiply
    5,181.16x = 7,150.28 × 2,942.68
  4. Step 4: Simplify right side
    5,181.16x = 21,040,985.95
  5. Step 5: Solve for x
    x = 21,040,985.95/5,181.16
  6. Step 6: Final answer
    x = 4,061.06

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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.