Home / 8,774.78-13,161.96-2,851.66

Finding the Fourth Proportional to 8,774.78, 13,161.96 and 2,851.66

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Solution

The fourth proportional to 8,774.78, 13,161.96 and 2,851.66 is: 4,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.78 : 13,161.96 = 2,851.66 : x
  2. Step 2: Convert to fraction form
    8,774.78/13,161.96 = 2,851.66/x
  3. Step 3: Cross multiply
    8,774.78x = 13,161.96 × 2,851.66
  4. Step 4: Simplify right side
    8,774.78x = 37,533,434.85
  5. Step 5: Solve for x
    x = 37,533,434.85/8,774.78
  6. Step 6: Final answer
    x = 4,277.42

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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.