Home / 6,766.20-10,150.74-2,870.64

Finding the Fourth Proportional to 6,766.20, 10,150.74 and 2,870.64

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Solution

The fourth proportional to 6,766.20, 10,150.74 and 2,870.64 is: 4,306.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,766.20 : 10,150.74 = 2,870.64 : x
  2. Step 2: Convert to fraction form
    6,766.20/10,150.74 = 2,870.64/x
  3. Step 3: Cross multiply
    6,766.20x = 10,150.74 × 2,870.64
  4. Step 4: Simplify right side
    6,766.20x = 29,139,120.27
  5. Step 5: Solve for x
    x = 29,139,120.27/6,766.20
  6. Step 6: Final answer
    x = 4,306.57

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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.