Home / 5,146.54-7,098.91-3,254.78

Finding the Fourth Proportional to 5,146.54, 7,098.91 and 3,254.78

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Solution

The fourth proportional to 5,146.54, 7,098.91 and 3,254.78 is: 4,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.54 : 7,098.91 = 3,254.78 : x
  2. Step 2: Convert to fraction form
    5,146.54/7,098.91 = 3,254.78/x
  3. Step 3: Cross multiply
    5,146.54x = 7,098.91 × 3,254.78
  4. Step 4: Simplify right side
    5,146.54x = 23,105,399.90
  5. Step 5: Solve for x
    x = 23,105,399.90/5,146.54
  6. Step 6: Final answer
    x = 4,489.50

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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.