Home / 9,880.37-14,821.33-2,860.49

Finding the Fourth Proportional to 9,880.37, 14,821.33 and 2,860.49

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Solution

The fourth proportional to 9,880.37, 14,821.33 and 2,860.49 is: 4,290.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.37 : 14,821.33 = 2,860.49 : x
  2. Step 2: Convert to fraction form
    9,880.37/14,821.33 = 2,860.49/x
  3. Step 3: Cross multiply
    9,880.37x = 14,821.33 × 2,860.49
  4. Step 4: Simplify right side
    9,880.37x = 42,396,251.79
  5. Step 5: Solve for x
    x = 42,396,251.79/9,880.37
  6. Step 6: Final answer
    x = 4,290.96

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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.