Home / 5,181.31-7,768.14-2,548

Finding the Fourth Proportional to 5,181.31, 7,768.14 and 2,548

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Solution

The fourth proportional to 5,181.31, 7,768.14 and 2,548 is: 3,820.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.31 : 7,768.14 = 2,548 : x
  2. Step 2: Convert to fraction form
    5,181.31/7,768.14 = 2,548/x
  3. Step 3: Cross multiply
    5,181.31x = 7,768.14 × 2,548
  4. Step 4: Simplify right side
    5,181.31x = 19,793,220.72
  5. Step 5: Solve for x
    x = 19,793,220.72/5,181.31
  6. Step 6: Final answer
    x = 3,820.12

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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.