Home / 9,308.78-13,963.16-2,739.58

Finding the Fourth Proportional to 9,308.78, 13,963.16 and 2,739.58

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Solution

The fourth proportional to 9,308.78, 13,963.16 and 2,739.58 is: 4,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308.78 : 13,963.16 = 2,739.58 : x
  2. Step 2: Convert to fraction form
    9,308.78/13,963.16 = 2,739.58/x
  3. Step 3: Cross multiply
    9,308.78x = 13,963.16 × 2,739.58
  4. Step 4: Simplify right side
    9,308.78x = 38,253,193.87
  5. Step 5: Solve for x
    x = 38,253,193.87/9,308.78
  6. Step 6: Final answer
    x = 4,109.37

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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.