Home / 5,275.43-7,280.88-3,286.62

Finding the Fourth Proportional to 5,275.43, 7,280.88 and 3,286.62

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Solution

The fourth proportional to 5,275.43, 7,280.88 and 3,286.62 is: 4,536.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.43 : 7,280.88 = 3,286.62 : x
  2. Step 2: Convert to fraction form
    5,275.43/7,280.88 = 3,286.62/x
  3. Step 3: Cross multiply
    5,275.43x = 7,280.88 × 3,286.62
  4. Step 4: Simplify right side
    5,275.43x = 23,929,487.15
  5. Step 5: Solve for x
    x = 23,929,487.15/5,275.43
  6. Step 6: Final answer
    x = 4,536.03

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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.