Home / 8,015.97-12,022.73-2,820.63

Finding the Fourth Proportional to 8,015.97, 12,022.73 and 2,820.63

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Solution

The fourth proportional to 8,015.97, 12,022.73 and 2,820.63 is: 4,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.97 : 12,022.73 = 2,820.63 : x
  2. Step 2: Convert to fraction form
    8,015.97/12,022.73 = 2,820.63/x
  3. Step 3: Cross multiply
    8,015.97x = 12,022.73 × 2,820.63
  4. Step 4: Simplify right side
    8,015.97x = 33,911,672.92
  5. Step 5: Solve for x
    x = 33,911,672.92/8,015.97
  6. Step 6: Final answer
    x = 4,230.51

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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.