Home / 5,119.92-7,065.84-2,882.01

Finding the Fourth Proportional to 5,119.92, 7,065.84 and 2,882.01

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Solution

The fourth proportional to 5,119.92, 7,065.84 and 2,882.01 is: 3,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.92 : 7,065.84 = 2,882.01 : x
  2. Step 2: Convert to fraction form
    5,119.92/7,065.84 = 2,882.01/x
  3. Step 3: Cross multiply
    5,119.92x = 7,065.84 × 2,882.01
  4. Step 4: Simplify right side
    5,119.92x = 20,363,821.54
  5. Step 5: Solve for x
    x = 20,363,821.54/5,119.92
  6. Step 6: Final answer
    x = 3,977.37

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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.