Home / 5,088.92-7,022.22-2,850.62

Finding the Fourth Proportional to 5,088.92, 7,022.22 and 2,850.62

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Solution

The fourth proportional to 5,088.92, 7,022.22 and 2,850.62 is: 3,933.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.92 : 7,022.22 = 2,850.62 : x
  2. Step 2: Convert to fraction form
    5,088.92/7,022.22 = 2,850.62/x
  3. Step 3: Cross multiply
    5,088.92x = 7,022.22 × 2,850.62
  4. Step 4: Simplify right side
    5,088.92x = 20,017,680.78
  5. Step 5: Solve for x
    x = 20,017,680.78/5,088.92
  6. Step 6: Final answer
    x = 3,933.58

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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.