Home / 6,766.61-10,140.63-3,806.49

Finding the Fourth Proportional to 6,766.61, 10,140.63 and 3,806.49

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Solution

The fourth proportional to 6,766.61, 10,140.63 and 3,806.49 is: 5,704.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,766.61 : 10,140.63 = 3,806.49 : x
  2. Step 2: Convert to fraction form
    6,766.61/10,140.63 = 3,806.49/x
  3. Step 3: Cross multiply
    6,766.61x = 10,140.63 × 3,806.49
  4. Step 4: Simplify right side
    6,766.61x = 38,600,206.69
  5. Step 5: Solve for x
    x = 38,600,206.69/6,766.61
  6. Step 6: Final answer
    x = 5,704.52

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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.