Home / 7,318.62-10,099.70-3,961.44

Finding the Fourth Proportional to 7,318.62, 10,099.70 and 3,961.44

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Solution

The fourth proportional to 7,318.62, 10,099.70 and 3,961.44 is: 5,466.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.62 : 10,099.70 = 3,961.44 : x
  2. Step 2: Convert to fraction form
    7,318.62/10,099.70 = 3,961.44/x
  3. Step 3: Cross multiply
    7,318.62x = 10,099.70 × 3,961.44
  4. Step 4: Simplify right side
    7,318.62x = 40,009,355.57
  5. Step 5: Solve for x
    x = 40,009,355.57/7,318.62
  6. Step 6: Final answer
    x = 5,466.79

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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.