Home / 8,006.88-12,010.38-2,812.75

Finding the Fourth Proportional to 8,006.88, 12,010.38 and 2,812.75

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Solution

The fourth proportional to 8,006.88, 12,010.38 and 2,812.75 is: 4,219.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.88 : 12,010.38 = 2,812.75 : x
  2. Step 2: Convert to fraction form
    8,006.88/12,010.38 = 2,812.75/x
  3. Step 3: Cross multiply
    8,006.88x = 12,010.38 × 2,812.75
  4. Step 4: Simplify right side
    8,006.88x = 33,782,196.35
  5. Step 5: Solve for x
    x = 33,782,196.35/8,006.88
  6. Step 6: Final answer
    x = 4,219.15

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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.