Home / 7,546.80-11,318.04-2,928.72

Finding the Fourth Proportional to 7,546.80, 11,318.04 and 2,928.72

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Solution

The fourth proportional to 7,546.80, 11,318.04 and 2,928.72 is: 4,392.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,546.80 : 11,318.04 = 2,928.72 : x
  2. Step 2: Convert to fraction form
    7,546.80/11,318.04 = 2,928.72/x
  3. Step 3: Cross multiply
    7,546.80x = 11,318.04 × 2,928.72
  4. Step 4: Simplify right side
    7,546.80x = 33,147,370.11
  5. Step 5: Solve for x
    x = 33,147,370.11/7,546.80
  6. Step 6: Final answer
    x = 4,392.24

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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.