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Finding the Fourth Proportional to 5,110.40, 7,649.40 and 3,652.40

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Solution

The fourth proportional to 5,110.40, 7,649.40 and 3,652.40 is: 5,467.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.40 : 7,649.40 = 3,652.40 : x
  2. Step 2: Convert to fraction form
    5,110.40/7,649.40 = 3,652.40/x
  3. Step 3: Cross multiply
    5,110.40x = 7,649.40 × 3,652.40
  4. Step 4: Simplify right side
    5,110.40x = 27,938,668.56
  5. Step 5: Solve for x
    x = 27,938,668.56/5,110.40
  6. Step 6: Final answer
    x = 5,467.02

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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.