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Finding the Fourth Proportional to 6,750.59, 10,121.49 and 2,800.76

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Solution

The fourth proportional to 6,750.59, 10,121.49 and 2,800.76 is: 4,199.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.59 : 10,121.49 = 2,800.76 : x
  2. Step 2: Convert to fraction form
    6,750.59/10,121.49 = 2,800.76/x
  3. Step 3: Cross multiply
    6,750.59x = 10,121.49 × 2,800.76
  4. Step 4: Simplify right side
    6,750.59x = 28,347,813.72
  5. Step 5: Solve for x
    x = 28,347,813.72/6,750.59
  6. Step 6: Final answer
    x = 4,199.31

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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.