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Finding the Fourth Proportional to 5,608.10, 8,402.88 and 2,483.42

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Solution

The fourth proportional to 5,608.10, 8,402.88 and 2,483.42 is: 3,721.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.10 : 8,402.88 = 2,483.42 : x
  2. Step 2: Convert to fraction form
    5,608.10/8,402.88 = 2,483.42/x
  3. Step 3: Cross multiply
    5,608.10x = 8,402.88 × 2,483.42
  4. Step 4: Simplify right side
    5,608.10x = 20,867,880.25
  5. Step 5: Solve for x
    x = 20,867,880.25/5,608.10
  6. Step 6: Final answer
    x = 3,721.02

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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.