Home / 8,073.07-12,107.78-2,878.94

Finding the Fourth Proportional to 8,073.07, 12,107.78 and 2,878.94

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Solution

The fourth proportional to 8,073.07, 12,107.78 and 2,878.94 is: 4,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.07 : 12,107.78 = 2,878.94 : x
  2. Step 2: Convert to fraction form
    8,073.07/12,107.78 = 2,878.94/x
  3. Step 3: Cross multiply
    8,073.07x = 12,107.78 × 2,878.94
  4. Step 4: Simplify right side
    8,073.07x = 34,857,598.82
  5. Step 5: Solve for x
    x = 34,857,598.82/8,073.07
  6. Step 6: Final answer
    x = 4,317.76

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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.