Home / 5,146.80-7,716.54-4,170.75

Finding the Fourth Proportional to 5,146.80, 7,716.54 and 4,170.75

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Solution

The fourth proportional to 5,146.80, 7,716.54 and 4,170.75 is: 6,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.80 : 7,716.54 = 4,170.75 : x
  2. Step 2: Convert to fraction form
    5,146.80/7,716.54 = 4,170.75/x
  3. Step 3: Cross multiply
    5,146.80x = 7,716.54 × 4,170.75
  4. Step 4: Simplify right side
    5,146.80x = 32,183,759.21
  5. Step 5: Solve for x
    x = 32,183,759.21/5,146.80
  6. Step 6: Final answer
    x = 6,253.16

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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.