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Finding the Fourth Proportional to 7,352.58, 10,147.78 and 5,369.70

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Solution

The fourth proportional to 7,352.58, 10,147.78 and 5,369.70 is: 7,411.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.58 : 10,147.78 = 5,369.70 : x
  2. Step 2: Convert to fraction form
    7,352.58/10,147.78 = 5,369.70/x
  3. Step 3: Cross multiply
    7,352.58x = 10,147.78 × 5,369.70
  4. Step 4: Simplify right side
    7,352.58x = 54,490,534.27
  5. Step 5: Solve for x
    x = 54,490,534.27/7,352.58
  6. Step 6: Final answer
    x = 7,411.08

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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.