Home / 4,988.12-7,450.59-3,880.95

Finding the Fourth Proportional to 4,988.12, 7,450.59 and 3,880.95

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Solution

The fourth proportional to 4,988.12, 7,450.59 and 3,880.95 is: 5,796.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.12 : 7,450.59 = 3,880.95 : x
  2. Step 2: Convert to fraction form
    4,988.12/7,450.59 = 3,880.95/x
  3. Step 3: Cross multiply
    4,988.12x = 7,450.59 × 3,880.95
  4. Step 4: Simplify right side
    4,988.12x = 28,915,367.26
  5. Step 5: Solve for x
    x = 28,915,367.26/4,988.12
  6. Step 6: Final answer
    x = 5,796.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.