Home / 5,078.12-7,610.68-2,612.48

Finding the Fourth Proportional to 5,078.12, 7,610.68 and 2,612.48

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Solution

The fourth proportional to 5,078.12, 7,610.68 and 2,612.48 is: 3,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.12 : 7,610.68 = 2,612.48 : x
  2. Step 2: Convert to fraction form
    5,078.12/7,610.68 = 2,612.48/x
  3. Step 3: Cross multiply
    5,078.12x = 7,610.68 × 2,612.48
  4. Step 4: Simplify right side
    5,078.12x = 19,882,749.29
  5. Step 5: Solve for x
    x = 19,882,749.29/5,078.12
  6. Step 6: Final answer
    x = 3,915.38

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1.5x scale

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.