Home / 5,179.73-7,769.68-1,284.14

Finding the Fourth Proportional to 5,179.73, 7,769.68 and 1,284.14

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Solution

The fourth proportional to 5,179.73, 7,769.68 and 1,284.14 is: 1,926.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.73 : 7,769.68 = 1,284.14 : x
  2. Step 2: Convert to fraction form
    5,179.73/7,769.68 = 1,284.14/x
  3. Step 3: Cross multiply
    5,179.73x = 7,769.68 × 1,284.14
  4. Step 4: Simplify right side
    5,179.73x = 9,977,373.09
  5. Step 5: Solve for x
    x = 9,977,373.09/5,179.73
  6. Step 6: Final answer
    x = 1,926.23

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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.