Home / 5,579.26-8,370.29-3,939.01

Finding the Fourth Proportional to 5,579.26, 8,370.29 and 3,939.01

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Solution

The fourth proportional to 5,579.26, 8,370.29 and 3,939.01 is: 5,909.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.26 : 8,370.29 = 3,939.01 : x
  2. Step 2: Convert to fraction form
    5,579.26/8,370.29 = 3,939.01/x
  3. Step 3: Cross multiply
    5,579.26x = 8,370.29 × 3,939.01
  4. Step 4: Simplify right side
    5,579.26x = 32,970,644.93
  5. Step 5: Solve for x
    x = 32,970,644.93/5,579.26
  6. Step 6: Final answer
    x = 5,909.50

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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.