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Finding the Fourth Proportional to 7,231.01, 10,816.81 and 5,773.01

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Solution

The fourth proportional to 7,231.01, 10,816.81 and 5,773.01 is: 8,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.01 : 10,816.81 = 5,773.01 : x
  2. Step 2: Convert to fraction form
    7,231.01/10,816.81 = 5,773.01/x
  3. Step 3: Cross multiply
    7,231.01x = 10,816.81 × 5,773.01
  4. Step 4: Simplify right side
    7,231.01x = 62,445,483.78
  5. Step 5: Solve for x
    x = 62,445,483.78/7,231.01
  6. Step 6: Final answer
    x = 8,635.80

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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.