Home / 5,278.26-7,275.65-4,157.73

Finding the Fourth Proportional to 5,278.26, 7,275.65 and 4,157.73

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Solution

The fourth proportional to 5,278.26, 7,275.65 and 4,157.73 is: 5,731.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.26 : 7,275.65 = 4,157.73 : x
  2. Step 2: Convert to fraction form
    5,278.26/7,275.65 = 4,157.73/x
  3. Step 3: Cross multiply
    5,278.26x = 7,275.65 × 4,157.73
  4. Step 4: Simplify right side
    5,278.26x = 30,250,179.18
  5. Step 5: Solve for x
    x = 30,250,179.18/5,278.26
  6. Step 6: Final answer
    x = 5,731.09

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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.