Home / 7,868.26-10,857.81-4,512.43

Finding the Fourth Proportional to 7,868.26, 10,857.81 and 4,512.43

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Solution

The fourth proportional to 7,868.26, 10,857.81 and 4,512.43 is: 6,226.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.26 : 10,857.81 = 4,512.43 : x
  2. Step 2: Convert to fraction form
    7,868.26/10,857.81 = 4,512.43/x
  3. Step 3: Cross multiply
    7,868.26x = 10,857.81 × 4,512.43
  4. Step 4: Simplify right side
    7,868.26x = 48,995,107.58
  5. Step 5: Solve for x
    x = 48,995,107.58/7,868.26
  6. Step 6: Final answer
    x = 6,226.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.