Home / 7,822.73-11,734.13-1,979.35

Finding the Fourth Proportional to 7,822.73, 11,734.13 and 1,979.35

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Solution

The fourth proportional to 7,822.73, 11,734.13 and 1,979.35 is: 2,969.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.73 : 11,734.13 = 1,979.35 : x
  2. Step 2: Convert to fraction form
    7,822.73/11,734.13 = 1,979.35/x
  3. Step 3: Cross multiply
    7,822.73x = 11,734.13 × 1,979.35
  4. Step 4: Simplify right side
    7,822.73x = 23,225,891.54
  5. Step 5: Solve for x
    x = 23,225,891.54/7,822.73
  6. Step 6: Final answer
    x = 2,969.03

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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.