Home / 7,351.05-10,144.46-3,993.83

Finding the Fourth Proportional to 7,351.05, 10,144.46 and 3,993.83

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Solution

The fourth proportional to 7,351.05, 10,144.46 and 3,993.83 is: 5,511.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.05 : 10,144.46 = 3,993.83 : x
  2. Step 2: Convert to fraction form
    7,351.05/10,144.46 = 3,993.83/x
  3. Step 3: Cross multiply
    7,351.05x = 10,144.46 × 3,993.83
  4. Step 4: Simplify right side
    7,351.05x = 40,515,248.68
  5. Step 5: Solve for x
    x = 40,515,248.68/7,351.05
  6. Step 6: Final answer
    x = 5,511.50

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Half scale
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Double scale
Find fourth proportional to 7,352.05, 10,145.84 and 3,994.83
Similar ratio
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1.5x scale

Why These Related Problems?

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