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Finding the Fourth Proportional to 7,065.16, 9,750.39 and 4,081.12

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Solution

The fourth proportional to 7,065.16, 9,750.39 and 4,081.12 is: 5,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.16 : 9,750.39 = 4,081.12 : x
  2. Step 2: Convert to fraction form
    7,065.16/9,750.39 = 4,081.12/x
  3. Step 3: Cross multiply
    7,065.16x = 9,750.39 × 4,081.12
  4. Step 4: Simplify right side
    7,065.16x = 39,792,511.64
  5. Step 5: Solve for x
    x = 39,792,511.64/7,065.16
  6. Step 6: Final answer
    x = 5,632.22

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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.