Home / 5,577.49-8,367.00-1,880.78

Finding the Fourth Proportional to 5,577.49, 8,367.00 and 1,880.78

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Solution

The fourth proportional to 5,577.49, 8,367.00 and 1,880.78 is: 2,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.49 : 8,367.00 = 1,880.78 : x
  2. Step 2: Convert to fraction form
    5,577.49/8,367.00 = 1,880.78/x
  3. Step 3: Cross multiply
    5,577.49x = 8,367.00 × 1,880.78
  4. Step 4: Simplify right side
    5,577.49x = 15,736,447.95
  5. Step 5: Solve for x
    x = 15,736,447.95/5,577.49
  6. Step 6: Final answer
    x = 2,821.42

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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.