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Finding the Fourth Proportional to 7,443.72, 11,167.60 and 4,159.16

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Solution

The fourth proportional to 7,443.72, 11,167.60 and 4,159.16 is: 6,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.72 : 11,167.60 = 4,159.16 : x
  2. Step 2: Convert to fraction form
    7,443.72/11,167.60 = 4,159.16/x
  3. Step 3: Cross multiply
    7,443.72x = 11,167.60 × 4,159.16
  4. Step 4: Simplify right side
    7,443.72x = 46,447,835.22
  5. Step 5: Solve for x
    x = 46,447,835.22/7,443.72
  6. Step 6: Final answer
    x = 6,239.87

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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.