Home / 5,179.28-7,718.94-5,171.04

Finding the Fourth Proportional to 5,179.28, 7,718.94 and 5,171.04

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Solution

The fourth proportional to 5,179.28, 7,718.94 and 5,171.04 is: 7,706.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.28 : 7,718.94 = 5,171.04 : x
  2. Step 2: Convert to fraction form
    5,179.28/7,718.94 = 5,171.04/x
  3. Step 3: Cross multiply
    5,179.28x = 7,718.94 × 5,171.04
  4. Step 4: Simplify right side
    5,179.28x = 39,914,947.50
  5. Step 5: Solve for x
    x = 39,914,947.50/5,179.28
  6. Step 6: Final answer
    x = 7,706.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.