Home / 5,464.78-8,189.91-2,176.07

Finding the Fourth Proportional to 5,464.78, 8,189.91 and 2,176.07

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Solution

The fourth proportional to 5,464.78, 8,189.91 and 2,176.07 is: 3,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,464.78 : 8,189.91 = 2,176.07 : x
  2. Step 2: Convert to fraction form
    5,464.78/8,189.91 = 2,176.07/x
  3. Step 3: Cross multiply
    5,464.78x = 8,189.91 × 2,176.07
  4. Step 4: Simplify right side
    5,464.78x = 17,821,776.50
  5. Step 5: Solve for x
    x = 17,821,776.50/5,464.78
  6. Step 6: Final answer
    x = 3,261.21

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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.