Home / 6,747.60-10,120.59-2,851.50

Finding the Fourth Proportional to 6,747.60, 10,120.59 and 2,851.50

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Solution

The fourth proportional to 6,747.60, 10,120.59 and 2,851.50 is: 4,276.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.60 : 10,120.59 = 2,851.50 : x
  2. Step 2: Convert to fraction form
    6,747.60/10,120.59 = 2,851.50/x
  3. Step 3: Cross multiply
    6,747.60x = 10,120.59 × 2,851.50
  4. Step 4: Simplify right side
    6,747.60x = 28,858,862.39
  5. Step 5: Solve for x
    x = 28,858,862.39/6,747.60
  6. Step 6: Final answer
    x = 4,276.91

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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.