Home / 6,451.39-9,683.03-3,991.02

Finding the Fourth Proportional to 6,451.39, 9,683.03 and 3,991.02

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Solution

The fourth proportional to 6,451.39, 9,683.03 and 3,991.02 is: 5,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.39 : 9,683.03 = 3,991.02 : x
  2. Step 2: Convert to fraction form
    6,451.39/9,683.03 = 3,991.02/x
  3. Step 3: Cross multiply
    6,451.39x = 9,683.03 × 3,991.02
  4. Step 4: Simplify right side
    6,451.39x = 38,645,166.39
  5. Step 5: Solve for x
    x = 38,645,166.39/6,451.39
  6. Step 6: Final answer
    x = 5,990.21

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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.