Home / 5,181.23-7,775.24-2,842.88

Finding the Fourth Proportional to 5,181.23, 7,775.24 and 2,842.88

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Solution

The fourth proportional to 5,181.23, 7,775.24 and 2,842.88 is: 4,266.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.23 : 7,775.24 = 2,842.88 : x
  2. Step 2: Convert to fraction form
    5,181.23/7,775.24 = 2,842.88/x
  3. Step 3: Cross multiply
    5,181.23x = 7,775.24 × 2,842.88
  4. Step 4: Simplify right side
    5,181.23x = 22,104,021.20
  5. Step 5: Solve for x
    x = 22,104,021.20/5,181.23
  6. Step 6: Final answer
    x = 4,266.18

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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.