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Finding the Fourth Proportional to 5,688.50, 7,850.13 and 3,204.50

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Solution

The fourth proportional to 5,688.50, 7,850.13 and 3,204.50 is: 4,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.50 : 7,850.13 = 3,204.50 : x
  2. Step 2: Convert to fraction form
    5,688.50/7,850.13 = 3,204.50/x
  3. Step 3: Cross multiply
    5,688.50x = 7,850.13 × 3,204.50
  4. Step 4: Simplify right side
    5,688.50x = 25,155,741.59
  5. Step 5: Solve for x
    x = 25,155,741.59/5,688.50
  6. Step 6: Final answer
    x = 4,422.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.