Home / 5,447.77-8,161.34-3,219.93

Finding the Fourth Proportional to 5,447.77, 8,161.34 and 3,219.93

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Solution

The fourth proportional to 5,447.77, 8,161.34 and 3,219.93 is: 4,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.77 : 8,161.34 = 3,219.93 : x
  2. Step 2: Convert to fraction form
    5,447.77/8,161.34 = 3,219.93/x
  3. Step 3: Cross multiply
    5,447.77x = 8,161.34 × 3,219.93
  4. Step 4: Simplify right side
    5,447.77x = 26,278,945.52
  5. Step 5: Solve for x
    x = 26,278,945.52/5,447.77
  6. Step 6: Final answer
    x = 4,823.80

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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.