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Finding the Fourth Proportional to 5,259.52, 7,889.24 and 2,181.52

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Solution

The fourth proportional to 5,259.52, 7,889.24 and 2,181.52 is: 3,272.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.52 : 7,889.24 = 2,181.52 : x
  2. Step 2: Convert to fraction form
    5,259.52/7,889.24 = 2,181.52/x
  3. Step 3: Cross multiply
    5,259.52x = 7,889.24 × 2,181.52
  4. Step 4: Simplify right side
    5,259.52x = 17,210,534.84
  5. Step 5: Solve for x
    x = 17,210,534.84/5,259.52
  6. Step 6: Final answer
    x = 3,272.26

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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.