Home / 6,750.14-10,128.54-2,801.75

Finding the Fourth Proportional to 6,750.14, 10,128.54 and 2,801.75

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Solution

The fourth proportional to 6,750.14, 10,128.54 and 2,801.75 is: 4,204.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.14 : 10,128.54 = 2,801.75 : x
  2. Step 2: Convert to fraction form
    6,750.14/10,128.54 = 2,801.75/x
  3. Step 3: Cross multiply
    6,750.14x = 10,128.54 × 2,801.75
  4. Step 4: Simplify right side
    6,750.14x = 28,377,668.03
  5. Step 5: Solve for x
    x = 28,377,668.03/6,750.14
  6. Step 6: Final answer
    x = 4,204.01

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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.