Home / 5,424.03-8,131.94-4,327.79

Finding the Fourth Proportional to 5,424.03, 8,131.94 and 4,327.79

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Solution

The fourth proportional to 5,424.03, 8,131.94 and 4,327.79 is: 6,488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.03 : 8,131.94 = 4,327.79 : x
  2. Step 2: Convert to fraction form
    5,424.03/8,131.94 = 4,327.79/x
  3. Step 3: Cross multiply
    5,424.03x = 8,131.94 × 4,327.79
  4. Step 4: Simplify right side
    5,424.03x = 35,193,328.61
  5. Step 5: Solve for x
    x = 35,193,328.61/5,424.03
  6. Step 6: Final answer
    x = 6,488.41

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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.