Home / 5,287.89-7,297.28-3,049.73

Finding the Fourth Proportional to 5,287.89, 7,297.28 and 3,049.73

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Solution

The fourth proportional to 5,287.89, 7,297.28 and 3,049.73 is: 4,208.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.89 : 7,297.28 = 3,049.73 : x
  2. Step 2: Convert to fraction form
    5,287.89/7,297.28 = 3,049.73/x
  3. Step 3: Cross multiply
    5,287.89x = 7,297.28 × 3,049.73
  4. Step 4: Simplify right side
    5,287.89x = 22,254,733.73
  5. Step 5: Solve for x
    x = 22,254,733.73/5,287.89
  6. Step 6: Final answer
    x = 4,208.62

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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.