Home / 7,205.16-10,806.78-2,011.56

Finding the Fourth Proportional to 7,205.16, 10,806.78 and 2,011.56

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Solution

The fourth proportional to 7,205.16, 10,806.78 and 2,011.56 is: 3,017.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205.16 : 10,806.78 = 2,011.56 : x
  2. Step 2: Convert to fraction form
    7,205.16/10,806.78 = 2,011.56/x
  3. Step 3: Cross multiply
    7,205.16x = 10,806.78 × 2,011.56
  4. Step 4: Simplify right side
    7,205.16x = 21,738,486.38
  5. Step 5: Solve for x
    x = 21,738,486.38/7,205.16
  6. Step 6: Final answer
    x = 3,017.07

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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.