Home / 6,750.28-10,120.56-4,147.84

Finding the Fourth Proportional to 6,750.28, 10,120.56 and 4,147.84

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Solution

The fourth proportional to 6,750.28, 10,120.56 and 4,147.84 is: 6,218.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.28 : 10,120.56 = 4,147.84 : x
  2. Step 2: Convert to fraction form
    6,750.28/10,120.56 = 4,147.84/x
  3. Step 3: Cross multiply
    6,750.28x = 10,120.56 × 4,147.84
  4. Step 4: Simplify right side
    6,750.28x = 41,978,463.59
  5. Step 5: Solve for x
    x = 41,978,463.59/6,750.28
  6. Step 6: Final answer
    x = 6,218.77

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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.