Home / 5,275.41-7,280.82-3,286.59

Finding the Fourth Proportional to 5,275.41, 7,280.82 and 3,286.59

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Solution

The fourth proportional to 5,275.41, 7,280.82 and 3,286.59 is: 4,535.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.41 : 7,280.82 = 3,286.59 : x
  2. Step 2: Convert to fraction form
    5,275.41/7,280.82 = 3,286.59/x
  3. Step 3: Cross multiply
    5,275.41x = 7,280.82 × 3,286.59
  4. Step 4: Simplify right side
    5,275.41x = 23,929,070.20
  5. Step 5: Solve for x
    x = 23,929,070.20/5,275.41
  6. Step 6: Final answer
    x = 4,535.96

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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.