Home / 5,195.66-7,789.05-1,908.18

Finding the Fourth Proportional to 5,195.66, 7,789.05 and 1,908.18

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Solution

The fourth proportional to 5,195.66, 7,789.05 and 1,908.18 is: 2,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.66 : 7,789.05 = 1,908.18 : x
  2. Step 2: Convert to fraction form
    5,195.66/7,789.05 = 1,908.18/x
  3. Step 3: Cross multiply
    5,195.66x = 7,789.05 × 1,908.18
  4. Step 4: Simplify right side
    5,195.66x = 14,862,909.43
  5. Step 5: Solve for x
    x = 14,862,909.43/5,195.66
  6. Step 6: Final answer
    x = 2,860.64

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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.