Home / 9,878.40-14,819.22-3,306.60

Finding the Fourth Proportional to 9,878.40, 14,819.22 and 3,306.60

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Solution

The fourth proportional to 9,878.40, 14,819.22 and 3,306.60 is: 4,960.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,878.40 : 14,819.22 = 3,306.60 : x
  2. Step 2: Convert to fraction form
    9,878.40/14,819.22 = 3,306.60/x
  3. Step 3: Cross multiply
    9,878.40x = 14,819.22 × 3,306.60
  4. Step 4: Simplify right side
    9,878.40x = 49,001,232.85
  5. Step 5: Solve for x
    x = 49,001,232.85/9,878.40
  6. Step 6: Final answer
    x = 4,960.44

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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.