Home / 5,272.29-7,908.30-1,376.73

Finding the Fourth Proportional to 5,272.29, 7,908.30 and 1,376.73

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Solution

The fourth proportional to 5,272.29, 7,908.30 and 1,376.73 is: 2,065.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.29 : 7,908.30 = 1,376.73 : x
  2. Step 2: Convert to fraction form
    5,272.29/7,908.30 = 1,376.73/x
  3. Step 3: Cross multiply
    5,272.29x = 7,908.30 × 1,376.73
  4. Step 4: Simplify right side
    5,272.29x = 10,887,593.86
  5. Step 5: Solve for x
    x = 10,887,593.86/5,272.29
  6. Step 6: Final answer
    x = 2,065.06

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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.