Home / 5,351.89-7,385.63-2,994.04

Finding the Fourth Proportional to 5,351.89, 7,385.63 and 2,994.04

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Solution

The fourth proportional to 5,351.89, 7,385.63 and 2,994.04 is: 4,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.89 : 7,385.63 = 2,994.04 : x
  2. Step 2: Convert to fraction form
    5,351.89/7,385.63 = 2,994.04/x
  3. Step 3: Cross multiply
    5,351.89x = 7,385.63 × 2,994.04
  4. Step 4: Simplify right side
    5,351.89x = 22,112,842.20
  5. Step 5: Solve for x
    x = 22,112,842.20/5,351.89
  6. Step 6: Final answer
    x = 4,131.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.