Home / 5,354.05-7,388.96-2,996.20

Finding the Fourth Proportional to 5,354.05, 7,388.96 and 2,996.20

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Solution

The fourth proportional to 5,354.05, 7,388.96 and 2,996.20 is: 4,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.05 : 7,388.96 = 2,996.20 : x
  2. Step 2: Convert to fraction form
    5,354.05/7,388.96 = 2,996.20/x
  3. Step 3: Cross multiply
    5,354.05x = 7,388.96 × 2,996.20
  4. Step 4: Simplify right side
    5,354.05x = 22,138,801.95
  5. Step 5: Solve for x
    x = 22,138,801.95/5,354.05
  6. Step 6: Final answer
    x = 4,134.96

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1.5x scale

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.