Home / 4,912.32-7,358.45-4,087.94

Finding the Fourth Proportional to 4,912.32, 7,358.45 and 4,087.94

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Solution

The fourth proportional to 4,912.32, 7,358.45 and 4,087.94 is: 6,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.32 : 7,358.45 = 4,087.94 : x
  2. Step 2: Convert to fraction form
    4,912.32/7,358.45 = 4,087.94/x
  3. Step 3: Cross multiply
    4,912.32x = 7,358.45 × 4,087.94
  4. Step 4: Simplify right side
    4,912.32x = 30,080,844.86
  5. Step 5: Solve for x
    x = 30,080,844.86/4,912.32
  6. Step 6: Final answer
    x = 6,123.55

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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.