Home / 5,170.41-7,132.53-3,177.81

Finding the Fourth Proportional to 5,170.41, 7,132.53 and 3,177.81

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Solution

The fourth proportional to 5,170.41, 7,132.53 and 3,177.81 is: 4,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.41 : 7,132.53 = 3,177.81 : x
  2. Step 2: Convert to fraction form
    5,170.41/7,132.53 = 3,177.81/x
  3. Step 3: Cross multiply
    5,170.41x = 7,132.53 × 3,177.81
  4. Step 4: Simplify right side
    5,170.41x = 22,665,825.16
  5. Step 5: Solve for x
    x = 22,665,825.16/5,170.41
  6. Step 6: Final answer
    x = 4,383.76

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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.