Home / 5,339.73-7,990.46-3,260.26

Finding the Fourth Proportional to 5,339.73, 7,990.46 and 3,260.26

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Solution

The fourth proportional to 5,339.73, 7,990.46 and 3,260.26 is: 4,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.73 : 7,990.46 = 3,260.26 : x
  2. Step 2: Convert to fraction form
    5,339.73/7,990.46 = 3,260.26/x
  3. Step 3: Cross multiply
    5,339.73x = 7,990.46 × 3,260.26
  4. Step 4: Simplify right side
    5,339.73x = 26,050,977.12
  5. Step 5: Solve for x
    x = 26,050,977.12/5,339.73
  6. Step 6: Final answer
    x = 4,878.71

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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.