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Finding the Fourth Proportional to 9,579.89, 13,219.22 and 5,330.27

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Solution

The fourth proportional to 9,579.89, 13,219.22 and 5,330.27 is: 7,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.89 : 13,219.22 = 5,330.27 : x
  2. Step 2: Convert to fraction form
    9,579.89/13,219.22 = 5,330.27/x
  3. Step 3: Cross multiply
    9,579.89x = 13,219.22 × 5,330.27
  4. Step 4: Simplify right side
    9,579.89x = 70,462,058.16
  5. Step 5: Solve for x
    x = 70,462,058.16/9,579.89
  6. Step 6: Final answer
    x = 7,355.20

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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.