Home / 5,979.73-8,969.60-2,859

Finding the Fourth Proportional to 5,979.73, 8,969.60 and 2,859

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Solution

The fourth proportional to 5,979.73, 8,969.60 and 2,859 is: 4,288.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.73 : 8,969.60 = 2,859 : x
  2. Step 2: Convert to fraction form
    5,979.73/8,969.60 = 2,859/x
  3. Step 3: Cross multiply
    5,979.73x = 8,969.60 × 2,859
  4. Step 4: Simplify right side
    5,979.73x = 25,644,086.40
  5. Step 5: Solve for x
    x = 25,644,086.40/5,979.73
  6. Step 6: Final answer
    x = 4,288.50

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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.