Home / 6,654.87-9,991.41-4,182.33

Finding the Fourth Proportional to 6,654.87, 9,991.41 and 4,182.33

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Solution

The fourth proportional to 6,654.87, 9,991.41 and 4,182.33 is: 6,279.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.87 : 9,991.41 = 4,182.33 : x
  2. Step 2: Convert to fraction form
    6,654.87/9,991.41 = 4,182.33/x
  3. Step 3: Cross multiply
    6,654.87x = 9,991.41 × 4,182.33
  4. Step 4: Simplify right side
    6,654.87x = 41,787,373.79
  5. Step 5: Solve for x
    x = 41,787,373.79/6,654.87
  6. Step 6: Final answer
    x = 6,279.22

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1.5x scale

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.