Home / 5,272.80-7,906.59-2,806.95

Finding the Fourth Proportional to 5,272.80, 7,906.59 and 2,806.95

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Solution

The fourth proportional to 5,272.80, 7,906.59 and 2,806.95 is: 4,209.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.80 : 7,906.59 = 2,806.95 : x
  2. Step 2: Convert to fraction form
    5,272.80/7,906.59 = 2,806.95/x
  3. Step 3: Cross multiply
    5,272.80x = 7,906.59 × 2,806.95
  4. Step 4: Simplify right side
    5,272.80x = 22,193,402.80
  5. Step 5: Solve for x
    x = 22,193,402.80/5,272.80
  6. Step 6: Final answer
    x = 4,209.04

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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.