Home / 8,370.66-12,558.27-6,806.79

Finding the Fourth Proportional to 8,370.66, 12,558.27 and 6,806.79

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Solution

The fourth proportional to 8,370.66, 12,558.27 and 6,806.79 is: 10,212.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.66 : 12,558.27 = 6,806.79 : x
  2. Step 2: Convert to fraction form
    8,370.66/12,558.27 = 6,806.79/x
  3. Step 3: Cross multiply
    8,370.66x = 12,558.27 × 6,806.79
  4. Step 4: Simplify right side
    8,370.66x = 85,481,506.65
  5. Step 5: Solve for x
    x = 85,481,506.65/8,370.66
  6. Step 6: Final answer
    x = 10,212.04

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1.5x scale

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.