Home / 7,765.88-11,638.28-4,250.58

Finding the Fourth Proportional to 7,765.88, 11,638.28 and 4,250.58

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Solution

The fourth proportional to 7,765.88, 11,638.28 and 4,250.58 is: 6,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.88 : 11,638.28 = 4,250.58 : x
  2. Step 2: Convert to fraction form
    7,765.88/11,638.28 = 4,250.58/x
  3. Step 3: Cross multiply
    7,765.88x = 11,638.28 × 4,250.58
  4. Step 4: Simplify right side
    7,765.88x = 49,469,407.19
  5. Step 5: Solve for x
    x = 49,469,407.19/7,765.88
  6. Step 6: Final answer
    x = 6,370.10

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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.