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Finding the Fourth Proportional to 7,231.41, 9,981.23 and 4,088.61

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Solution

The fourth proportional to 7,231.41, 9,981.23 and 4,088.61 is: 5,643.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.41 : 9,981.23 = 4,088.61 : x
  2. Step 2: Convert to fraction form
    7,231.41/9,981.23 = 4,088.61/x
  3. Step 3: Cross multiply
    7,231.41x = 9,981.23 × 4,088.61
  4. Step 4: Simplify right side
    7,231.41x = 40,809,336.35
  5. Step 5: Solve for x
    x = 40,809,336.35/7,231.41
  6. Step 6: Final answer
    x = 5,643.34

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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.