Home / 6,857.88-10,281.06-2,756.76

Finding the Fourth Proportional to 6,857.88, 10,281.06 and 2,756.76

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Solution

The fourth proportional to 6,857.88, 10,281.06 and 2,756.76 is: 4,132.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.88 : 10,281.06 = 2,756.76 : x
  2. Step 2: Convert to fraction form
    6,857.88/10,281.06 = 2,756.76/x
  3. Step 3: Cross multiply
    6,857.88x = 10,281.06 × 2,756.76
  4. Step 4: Simplify right side
    6,857.88x = 28,342,414.97
  5. Step 5: Solve for x
    x = 28,342,414.97/6,857.88
  6. Step 6: Final answer
    x = 4,132.82

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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.