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Finding the Fourth Proportional to 6,402.24, 8,836.56 and 5,352.48

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Solution

The fourth proportional to 6,402.24, 8,836.56 and 5,352.48 is: 7,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402.24 : 8,836.56 = 5,352.48 : x
  2. Step 2: Convert to fraction form
    6,402.24/8,836.56 = 5,352.48/x
  3. Step 3: Cross multiply
    6,402.24x = 8,836.56 × 5,352.48
  4. Step 4: Simplify right side
    6,402.24x = 47,297,510.67
  5. Step 5: Solve for x
    x = 47,297,510.67/6,402.24
  6. Step 6: Final answer
    x = 7,387.65

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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.