Home / 6,806.50-10,206.61-2,125.10

Finding the Fourth Proportional to 6,806.50, 10,206.61 and 2,125.10

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Solution

The fourth proportional to 6,806.50, 10,206.61 and 2,125.10 is: 3,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,806.50 : 10,206.61 = 2,125.10 : x
  2. Step 2: Convert to fraction form
    6,806.50/10,206.61 = 2,125.10/x
  3. Step 3: Cross multiply
    6,806.50x = 10,206.61 × 2,125.10
  4. Step 4: Simplify right side
    6,806.50x = 21,690,087.11
  5. Step 5: Solve for x
    x = 21,690,087.11/6,806.50
  6. Step 6: Final answer
    x = 3,186.67

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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.