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Finding the Fourth Proportional to 7,275.93, 10,914.84 and 2,081.94

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Solution

The fourth proportional to 7,275.93, 10,914.84 and 2,081.94 is: 3,123.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.93 : 10,914.84 = 2,081.94 : x
  2. Step 2: Convert to fraction form
    7,275.93/10,914.84 = 2,081.94/x
  3. Step 3: Cross multiply
    7,275.93x = 10,914.84 × 2,081.94
  4. Step 4: Simplify right side
    7,275.93x = 22,724,041.99
  5. Step 5: Solve for x
    x = 22,724,041.99/7,275.93
  6. Step 6: Final answer
    x = 3,123.18

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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.