Home / 5,150.20-7,108.26-3,055.48

Finding the Fourth Proportional to 5,150.20, 7,108.26 and 3,055.48

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Solution

The fourth proportional to 5,150.20, 7,108.26 and 3,055.48 is: 4,217.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.20 : 7,108.26 = 3,055.48 : x
  2. Step 2: Convert to fraction form
    5,150.20/7,108.26 = 3,055.48/x
  3. Step 3: Cross multiply
    5,150.20x = 7,108.26 × 3,055.48
  4. Step 4: Simplify right side
    5,150.20x = 21,719,146.26
  5. Step 5: Solve for x
    x = 21,719,146.26/5,150.20
  6. Step 6: Final answer
    x = 4,217.15

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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.