Home / 8,007.18-12,006.78-2,740.70

Finding the Fourth Proportional to 8,007.18, 12,006.78 and 2,740.70

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Solution

The fourth proportional to 8,007.18, 12,006.78 and 2,740.70 is: 4,109.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.18 : 12,006.78 = 2,740.70 : x
  2. Step 2: Convert to fraction form
    8,007.18/12,006.78 = 2,740.70/x
  3. Step 3: Cross multiply
    8,007.18x = 12,006.78 × 2,740.70
  4. Step 4: Simplify right side
    8,007.18x = 32,906,981.95
  5. Step 5: Solve for x
    x = 32,906,981.95/8,007.18
  6. Step 6: Final answer
    x = 4,109.68

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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.