Home / 5,354.88-7,389.78-2,997.06

Finding the Fourth Proportional to 5,354.88, 7,389.78 and 2,997.06

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Solution

The fourth proportional to 5,354.88, 7,389.78 and 2,997.06 is: 4,135.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.88 : 7,389.78 = 2,997.06 : x
  2. Step 2: Convert to fraction form
    5,354.88/7,389.78 = 2,997.06/x
  3. Step 3: Cross multiply
    5,354.88x = 7,389.78 × 2,997.06
  4. Step 4: Simplify right side
    5,354.88x = 22,147,614.05
  5. Step 5: Solve for x
    x = 22,147,614.05/5,354.88
  6. Step 6: Final answer
    x = 4,135.97

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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.