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Finding the Fourth Proportional to 7,393.73, 11,084.47 and 2,948.66

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Solution

The fourth proportional to 7,393.73, 11,084.47 and 2,948.66 is: 4,420.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.73 : 11,084.47 = 2,948.66 : x
  2. Step 2: Convert to fraction form
    7,393.73/11,084.47 = 2,948.66/x
  3. Step 3: Cross multiply
    7,393.73x = 11,084.47 × 2,948.66
  4. Step 4: Simplify right side
    7,393.73x = 32,684,277.89
  5. Step 5: Solve for x
    x = 32,684,277.89/7,393.73
  6. Step 6: Final answer
    x = 4,420.54

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Why These Related Problems?

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