Home / 5,911.74-8,161.59-3,925.02

Finding the Fourth Proportional to 5,911.74, 8,161.59 and 3,925.02

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Solution

The fourth proportional to 5,911.74, 8,161.59 and 3,925.02 is: 5,418.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.74 : 8,161.59 = 3,925.02 : x
  2. Step 2: Convert to fraction form
    5,911.74/8,161.59 = 3,925.02/x
  3. Step 3: Cross multiply
    5,911.74x = 8,161.59 × 3,925.02
  4. Step 4: Simplify right side
    5,911.74x = 32,034,403.98
  5. Step 5: Solve for x
    x = 32,034,403.98/5,911.74
  6. Step 6: Final answer
    x = 5,418.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.