Home / 5,287.34-7,296.49-3,049.20

Finding the Fourth Proportional to 5,287.34, 7,296.49 and 3,049.20

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Solution

The fourth proportional to 5,287.34, 7,296.49 and 3,049.20 is: 4,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.34 : 7,296.49 = 3,049.20 : x
  2. Step 2: Convert to fraction form
    5,287.34/7,296.49 = 3,049.20/x
  3. Step 3: Cross multiply
    5,287.34x = 7,296.49 × 3,049.20
  4. Step 4: Simplify right side
    5,287.34x = 22,248,413.20
  5. Step 5: Solve for x
    x = 22,248,413.20/5,287.34
  6. Step 6: Final answer
    x = 4,207.87

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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.