Home / 5,349.78-8,019.81-2,747.25

Finding the Fourth Proportional to 5,349.78, 8,019.81 and 2,747.25

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Solution

The fourth proportional to 5,349.78, 8,019.81 and 2,747.25 is: 4,118.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.78 : 8,019.81 = 2,747.25 : x
  2. Step 2: Convert to fraction form
    5,349.78/8,019.81 = 2,747.25/x
  3. Step 3: Cross multiply
    5,349.78x = 8,019.81 × 2,747.25
  4. Step 4: Simplify right side
    5,349.78x = 22,032,423.02
  5. Step 5: Solve for x
    x = 22,032,423.02/5,349.78
  6. Step 6: Final answer
    x = 4,118.38

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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.