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Finding the Fourth Proportional to 7,352.40, 11,012.40 and 5,703.60

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Solution

The fourth proportional to 7,352.40, 11,012.40 and 5,703.60 is: 8,542.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.40 : 11,012.40 = 5,703.60 : x
  2. Step 2: Convert to fraction form
    7,352.40/11,012.40 = 5,703.60/x
  3. Step 3: Cross multiply
    7,352.40x = 11,012.40 × 5,703.60
  4. Step 4: Simplify right side
    7,352.40x = 62,810,324.64
  5. Step 5: Solve for x
    x = 62,810,324.64/7,352.40
  6. Step 6: Final answer
    x = 8,542.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.