Home / 6,875.20-10,305.60-2,713.60

Finding the Fourth Proportional to 6,875.20, 10,305.60 and 2,713.60

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Solution

The fourth proportional to 6,875.20, 10,305.60 and 2,713.60 is: 4,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.20 : 10,305.60 = 2,713.60 : x
  2. Step 2: Convert to fraction form
    6,875.20/10,305.60 = 2,713.60/x
  3. Step 3: Cross multiply
    6,875.20x = 10,305.60 × 2,713.60
  4. Step 4: Simplify right side
    6,875.20x = 27,965,276.16
  5. Step 5: Solve for x
    x = 27,965,276.16/6,875.20
  6. Step 6: Final answer
    x = 4,067.56

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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.