Home / 5,270.92-7,908.99-2,153.14

Finding the Fourth Proportional to 5,270.92, 7,908.99 and 2,153.14

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Solution

The fourth proportional to 5,270.92, 7,908.99 and 2,153.14 is: 3,230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.92 : 7,908.99 = 2,153.14 : x
  2. Step 2: Convert to fraction form
    5,270.92/7,908.99 = 2,153.14/x
  3. Step 3: Cross multiply
    5,270.92x = 7,908.99 × 2,153.14
  4. Step 4: Simplify right side
    5,270.92x = 17,029,162.73
  5. Step 5: Solve for x
    x = 17,029,162.73/5,270.92
  6. Step 6: Final answer
    x = 3,230.78

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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.