Home / 5,857.08-8,786.84-1,961.18

Finding the Fourth Proportional to 5,857.08, 8,786.84 and 1,961.18

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Solution

The fourth proportional to 5,857.08, 8,786.84 and 1,961.18 is: 2,942.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,857.08 : 8,786.84 = 1,961.18 : x
  2. Step 2: Convert to fraction form
    5,857.08/8,786.84 = 1,961.18/x
  3. Step 3: Cross multiply
    5,857.08x = 8,786.84 × 1,961.18
  4. Step 4: Simplify right side
    5,857.08x = 17,232,574.87
  5. Step 5: Solve for x
    x = 17,232,574.87/5,857.08
  6. Step 6: Final answer
    x = 2,942.18

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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.