Home / 7,640.44-11,463.08-3,742.72

Finding the Fourth Proportional to 7,640.44, 11,463.08 and 3,742.72

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Solution

The fourth proportional to 7,640.44, 11,463.08 and 3,742.72 is: 5,615.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640.44 : 11,463.08 = 3,742.72 : x
  2. Step 2: Convert to fraction form
    7,640.44/11,463.08 = 3,742.72/x
  3. Step 3: Cross multiply
    7,640.44x = 11,463.08 × 3,742.72
  4. Step 4: Simplify right side
    7,640.44x = 42,903,098.78
  5. Step 5: Solve for x
    x = 42,903,098.78/7,640.44
  6. Step 6: Final answer
    x = 5,615.27

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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.