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Finding the Fourth Proportional to 7,208.54, 10,812.81 and 5,567.48

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Solution

The fourth proportional to 7,208.54, 10,812.81 and 5,567.48 is: 8,351.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.54 : 10,812.81 = 5,567.48 : x
  2. Step 2: Convert to fraction form
    7,208.54/10,812.81 = 5,567.48/x
  3. Step 3: Cross multiply
    7,208.54x = 10,812.81 × 5,567.48
  4. Step 4: Simplify right side
    7,208.54x = 60,200,103.42
  5. Step 5: Solve for x
    x = 60,200,103.42/7,208.54
  6. Step 6: Final answer
    x = 8,351.22

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1.5x scale

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.