Home / 7,862.42-11,788.53-4,166.39

Finding the Fourth Proportional to 7,862.42, 11,788.53 and 4,166.39

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Solution

The fourth proportional to 7,862.42, 11,788.53 and 4,166.39 is: 6,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.42 : 11,788.53 = 4,166.39 : x
  2. Step 2: Convert to fraction form
    7,862.42/11,788.53 = 4,166.39/x
  3. Step 3: Cross multiply
    7,862.42x = 11,788.53 × 4,166.39
  4. Step 4: Simplify right side
    7,862.42x = 49,115,554.56
  5. Step 5: Solve for x
    x = 49,115,554.56/7,862.42
  6. Step 6: Final answer
    x = 6,246.88

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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.