Home / 6,860.79-10,288.11-2,179.92

Finding the Fourth Proportional to 6,860.79, 10,288.11 and 2,179.92

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Solution

The fourth proportional to 6,860.79, 10,288.11 and 2,179.92 is: 3,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.79 : 10,288.11 = 2,179.92 : x
  2. Step 2: Convert to fraction form
    6,860.79/10,288.11 = 2,179.92/x
  3. Step 3: Cross multiply
    6,860.79x = 10,288.11 × 2,179.92
  4. Step 4: Simplify right side
    6,860.79x = 22,427,256.75
  5. Step 5: Solve for x
    x = 22,427,256.75/6,860.79
  6. Step 6: Final answer
    x = 3,268.90

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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.