Home / 9,880.30-14,819.10-2,954.80

Finding the Fourth Proportional to 9,880.30, 14,819.10 and 2,954.80

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Solution

The fourth proportional to 9,880.30, 14,819.10 and 2,954.80 is: 4,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.30 : 14,819.10 = 2,954.80 : x
  2. Step 2: Convert to fraction form
    9,880.30/14,819.10 = 2,954.80/x
  3. Step 3: Cross multiply
    9,880.30x = 14,819.10 × 2,954.80
  4. Step 4: Simplify right side
    9,880.30x = 43,787,476.68
  5. Step 5: Solve for x
    x = 43,787,476.68/9,880.30
  6. Step 6: Final answer
    x = 4,431.80

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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.