Home / 5,195.81-7,789.08-1,908.14

Finding the Fourth Proportional to 5,195.81, 7,789.08 and 1,908.14

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Solution

The fourth proportional to 5,195.81, 7,789.08 and 1,908.14 is: 2,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.81 : 7,789.08 = 1,908.14 : x
  2. Step 2: Convert to fraction form
    5,195.81/7,789.08 = 1,908.14/x
  3. Step 3: Cross multiply
    5,195.81x = 7,789.08 × 1,908.14
  4. Step 4: Simplify right side
    5,195.81x = 14,862,655.11
  5. Step 5: Solve for x
    x = 14,862,655.11/5,195.81
  6. Step 6: Final answer
    x = 2,860.51

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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.