Home / 7,886.17-11,829.26-4,425.85

Finding the Fourth Proportional to 7,886.17, 11,829.26 and 4,425.85

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Solution

The fourth proportional to 7,886.17, 11,829.26 and 4,425.85 is: 6,638.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886.17 : 11,829.26 = 4,425.85 : x
  2. Step 2: Convert to fraction form
    7,886.17/11,829.26 = 4,425.85/x
  3. Step 3: Cross multiply
    7,886.17x = 11,829.26 × 4,425.85
  4. Step 4: Simplify right side
    7,886.17x = 52,354,530.37
  5. Step 5: Solve for x
    x = 52,354,530.37/7,886.17
  6. Step 6: Final answer
    x = 6,638.78

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Similar ratio
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1.5x scale

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.