Home / 8,228.72-12,340.64-4,532.70

Finding the Fourth Proportional to 8,228.72, 12,340.64 and 4,532.70

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Solution

The fourth proportional to 8,228.72, 12,340.64 and 4,532.70 is: 6,797.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.72 : 12,340.64 = 4,532.70 : x
  2. Step 2: Convert to fraction form
    8,228.72/12,340.64 = 4,532.70/x
  3. Step 3: Cross multiply
    8,228.72x = 12,340.64 × 4,532.70
  4. Step 4: Simplify right side
    8,228.72x = 55,936,418.93
  5. Step 5: Solve for x
    x = 55,936,418.93/8,228.72
  6. Step 6: Final answer
    x = 6,797.71

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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.