Home / 5,217.12-7,825.68-2,908.08

Finding the Fourth Proportional to 5,217.12, 7,825.68 and 2,908.08

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Solution

The fourth proportional to 5,217.12, 7,825.68 and 2,908.08 is: 4,362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.12 : 7,825.68 = 2,908.08 : x
  2. Step 2: Convert to fraction form
    5,217.12/7,825.68 = 2,908.08/x
  3. Step 3: Cross multiply
    5,217.12x = 7,825.68 × 2,908.08
  4. Step 4: Simplify right side
    5,217.12x = 22,757,703.49
  5. Step 5: Solve for x
    x = 22,757,703.49/5,217.12
  6. Step 6: Final answer
    x = 4,362.12

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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.