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Finding the Fourth Proportional to 7,477.72, 10,308.48 and 5,232.64

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Solution

The fourth proportional to 7,477.72, 10,308.48 and 5,232.64 is: 7,213.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.72 : 10,308.48 = 5,232.64 : x
  2. Step 2: Convert to fraction form
    7,477.72/10,308.48 = 5,232.64/x
  3. Step 3: Cross multiply
    7,477.72x = 10,308.48 × 5,232.64
  4. Step 4: Simplify right side
    7,477.72x = 53,940,564.79
  5. Step 5: Solve for x
    x = 53,940,564.79/7,477.72
  6. Step 6: Final answer
    x = 7,213.50

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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.