Home / 5,088.96-7,022.70-2,850.80

Finding the Fourth Proportional to 5,088.96, 7,022.70 and 2,850.80

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Solution

The fourth proportional to 5,088.96, 7,022.70 and 2,850.80 is: 3,934.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.96 : 7,022.70 = 2,850.80 : x
  2. Step 2: Convert to fraction form
    5,088.96/7,022.70 = 2,850.80/x
  3. Step 3: Cross multiply
    5,088.96x = 7,022.70 × 2,850.80
  4. Step 4: Simplify right side
    5,088.96x = 20,020,278.05
  5. Step 5: Solve for x
    x = 20,020,278.05/5,088.96
  6. Step 6: Final answer
    x = 3,934.06

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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.