Home / 5,986.32-8,979.84-1,826.61

Finding the Fourth Proportional to 5,986.32, 8,979.84 and 1,826.61

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Solution

The fourth proportional to 5,986.32, 8,979.84 and 1,826.61 is: 2,740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.32 : 8,979.84 = 1,826.61 : x
  2. Step 2: Convert to fraction form
    5,986.32/8,979.84 = 1,826.61/x
  3. Step 3: Cross multiply
    5,986.32x = 8,979.84 × 1,826.61
  4. Step 4: Simplify right side
    5,986.32x = 16,402,665.54
  5. Step 5: Solve for x
    x = 16,402,665.54/5,986.32
  6. Step 6: Final answer
    x = 2,740.02

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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.