Home / 6,877.88-10,311.06-2,776.76

Finding the Fourth Proportional to 6,877.88, 10,311.06 and 2,776.76

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Solution

The fourth proportional to 6,877.88, 10,311.06 and 2,776.76 is: 4,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.88 : 10,311.06 = 2,776.76 : x
  2. Step 2: Convert to fraction form
    6,877.88/10,311.06 = 2,776.76/x
  3. Step 3: Cross multiply
    6,877.88x = 10,311.06 × 2,776.76
  4. Step 4: Simplify right side
    6,877.88x = 28,631,338.97
  5. Step 5: Solve for x
    x = 28,631,338.97/6,877.88
  6. Step 6: Final answer
    x = 4,162.81

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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.