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Finding the Fourth Proportional to 8,343.48, 11,522.62 and 7,219.02

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Solution

The fourth proportional to 8,343.48, 11,522.62 and 7,219.02 is: 9,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.48 : 11,522.62 = 7,219.02 : x
  2. Step 2: Convert to fraction form
    8,343.48/11,522.62 = 7,219.02/x
  3. Step 3: Cross multiply
    8,343.48x = 11,522.62 × 7,219.02
  4. Step 4: Simplify right side
    8,343.48x = 83,182,024.23
  5. Step 5: Solve for x
    x = 83,182,024.23/8,343.48
  6. Step 6: Final answer
    x = 9,969.70

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