Home / 5,184.20-7,781.76-4,269.32

Finding the Fourth Proportional to 5,184.20, 7,781.76 and 4,269.32

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Solution

The fourth proportional to 5,184.20, 7,781.76 and 4,269.32 is: 6,408.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.20 : 7,781.76 = 4,269.32 : x
  2. Step 2: Convert to fraction form
    5,184.20/7,781.76 = 4,269.32/x
  3. Step 3: Cross multiply
    5,184.20x = 7,781.76 × 4,269.32
  4. Step 4: Simplify right side
    5,184.20x = 33,222,823.60
  5. Step 5: Solve for x
    x = 33,222,823.60/5,184.20
  6. Step 6: Final answer
    x = 6,408.48

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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.