Home / 5,968.86-8,934.21-3,990.66

Finding the Fourth Proportional to 5,968.86, 8,934.21 and 3,990.66

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Solution

The fourth proportional to 5,968.86, 8,934.21 and 3,990.66 is: 5,973.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,968.86 : 8,934.21 = 3,990.66 : x
  2. Step 2: Convert to fraction form
    5,968.86/8,934.21 = 3,990.66/x
  3. Step 3: Cross multiply
    5,968.86x = 8,934.21 × 3,990.66
  4. Step 4: Simplify right side
    5,968.86x = 35,653,394.48
  5. Step 5: Solve for x
    x = 35,653,394.48/5,968.86
  6. Step 6: Final answer
    x = 5,973.23

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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.