Home / 5,179.18-7,772.41-1,895.03

Finding the Fourth Proportional to 5,179.18, 7,772.41 and 1,895.03

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Solution

The fourth proportional to 5,179.18, 7,772.41 and 1,895.03 is: 2,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.18 : 7,772.41 = 1,895.03 : x
  2. Step 2: Convert to fraction form
    5,179.18/7,772.41 = 1,895.03/x
  3. Step 3: Cross multiply
    5,179.18x = 7,772.41 × 1,895.03
  4. Step 4: Simplify right side
    5,179.18x = 14,728,950.12
  5. Step 5: Solve for x
    x = 14,728,950.12/5,179.18
  6. Step 6: Final answer
    x = 2,843.88

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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.