Home / 8,360.48-12,540.78-6,798.66

Finding the Fourth Proportional to 8,360.48, 12,540.78 and 6,798.66

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Solution

The fourth proportional to 8,360.48, 12,540.78 and 6,798.66 is: 10,198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.48 : 12,540.78 = 6,798.66 : x
  2. Step 2: Convert to fraction form
    8,360.48/12,540.78 = 6,798.66/x
  3. Step 3: Cross multiply
    8,360.48x = 12,540.78 × 6,798.66
  4. Step 4: Simplify right side
    8,360.48x = 85,260,499.35
  5. Step 5: Solve for x
    x = 85,260,499.35/8,360.48
  6. Step 6: Final answer
    x = 10,198.04

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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.