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Finding the Fourth Proportional to 5,603.82, 8,405.14 and 2,483.88

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Solution

The fourth proportional to 5,603.82, 8,405.14 and 2,483.88 is: 3,725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.82 : 8,405.14 = 2,483.88 : x
  2. Step 2: Convert to fraction form
    5,603.82/8,405.14 = 2,483.88/x
  3. Step 3: Cross multiply
    5,603.82x = 8,405.14 × 2,483.88
  4. Step 4: Simplify right side
    5,603.82x = 20,877,359.14
  5. Step 5: Solve for x
    x = 20,877,359.14/5,603.82
  6. Step 6: Final answer
    x = 3,725.56

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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.