Home / 6,991.11-10,485.25-3,292.31

Finding the Fourth Proportional to 6,991.11, 10,485.25 and 3,292.31

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Solution

The fourth proportional to 6,991.11, 10,485.25 and 3,292.31 is: 4,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.11 : 10,485.25 = 3,292.31 : x
  2. Step 2: Convert to fraction form
    6,991.11/10,485.25 = 3,292.31/x
  3. Step 3: Cross multiply
    6,991.11x = 10,485.25 × 3,292.31
  4. Step 4: Simplify right side
    6,991.11x = 34,520,711.41
  5. Step 5: Solve for x
    x = 34,520,711.41/6,991.11
  6. Step 6: Final answer
    x = 4,937.80

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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.