Home / 9,788.32-14,679.85-2,766.68

Finding the Fourth Proportional to 9,788.32, 14,679.85 and 2,766.68

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Solution

The fourth proportional to 9,788.32, 14,679.85 and 2,766.68 is: 4,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.32 : 14,679.85 = 2,766.68 : x
  2. Step 2: Convert to fraction form
    9,788.32/14,679.85 = 2,766.68/x
  3. Step 3: Cross multiply
    9,788.32x = 14,679.85 × 2,766.68
  4. Step 4: Simplify right side
    9,788.32x = 40,614,360.17
  5. Step 5: Solve for x
    x = 40,614,360.17/9,788.32
  6. Step 6: Final answer
    x = 4,149.27

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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.