Home / 8,426.67-12,650.93-6,480.24

Finding the Fourth Proportional to 8,426.67, 12,650.93 and 6,480.24

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Solution

The fourth proportional to 8,426.67, 12,650.93 and 6,480.24 is: 9,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.67 : 12,650.93 = 6,480.24 : x
  2. Step 2: Convert to fraction form
    8,426.67/12,650.93 = 6,480.24/x
  3. Step 3: Cross multiply
    8,426.67x = 12,650.93 × 6,480.24
  4. Step 4: Simplify right side
    8,426.67x = 81,981,062.62
  5. Step 5: Solve for x
    x = 81,981,062.62/8,426.67
  6. Step 6: Final answer
    x = 9,728.76

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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.