Home / 4,980.22-7,470.98-1,692.43

Finding the Fourth Proportional to 4,980.22, 7,470.98 and 1,692.43

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Solution

The fourth proportional to 4,980.22, 7,470.98 and 1,692.43 is: 2,538.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.22 : 7,470.98 = 1,692.43 : x
  2. Step 2: Convert to fraction form
    4,980.22/7,470.98 = 1,692.43/x
  3. Step 3: Cross multiply
    4,980.22x = 7,470.98 × 1,692.43
  4. Step 4: Simplify right side
    4,980.22x = 12,644,110.68
  5. Step 5: Solve for x
    x = 12,644,110.68/4,980.22
  6. Step 6: Final answer
    x = 2,538.87

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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.