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Finding the Fourth Proportional to 5,363.28, 8,045.28 and 1,467.36

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Solution

The fourth proportional to 5,363.28, 8,045.28 and 1,467.36 is: 2,201.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.28 : 8,045.28 = 1,467.36 : x
  2. Step 2: Convert to fraction form
    5,363.28/8,045.28 = 1,467.36/x
  3. Step 3: Cross multiply
    5,363.28x = 8,045.28 × 1,467.36
  4. Step 4: Simplify right side
    5,363.28x = 11,805,322.06
  5. Step 5: Solve for x
    x = 11,805,322.06/5,363.28
  6. Step 6: Final answer
    x = 2,201.14

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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.