Home / 9,220.61-13,819.34-3,949.41

Finding the Fourth Proportional to 9,220.61, 13,819.34 and 3,949.41

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Solution

The fourth proportional to 9,220.61, 13,819.34 and 3,949.41 is: 5,919.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.61 : 13,819.34 = 3,949.41 : x
  2. Step 2: Convert to fraction form
    9,220.61/13,819.34 = 3,949.41/x
  3. Step 3: Cross multiply
    9,220.61x = 13,819.34 × 3,949.41
  4. Step 4: Simplify right side
    9,220.61x = 54,578,219.84
  5. Step 5: Solve for x
    x = 54,578,219.84/9,220.61
  6. Step 6: Final answer
    x = 5,919.16

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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.