Home / 4,928.34-7,394.67-2,155.71

Finding the Fourth Proportional to 4,928.34, 7,394.67 and 2,155.71

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Solution

The fourth proportional to 4,928.34, 7,394.67 and 2,155.71 is: 3,234.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.34 : 7,394.67 = 2,155.71 : x
  2. Step 2: Convert to fraction form
    4,928.34/7,394.67 = 2,155.71/x
  3. Step 3: Cross multiply
    4,928.34x = 7,394.67 × 2,155.71
  4. Step 4: Simplify right side
    4,928.34x = 15,940,764.07
  5. Step 5: Solve for x
    x = 15,940,764.07/4,928.34
  6. Step 6: Final answer
    x = 3,234.51

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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.