Home / 7,821.44-10,793.62-4,284.64

Finding the Fourth Proportional to 7,821.44, 10,793.62 and 4,284.64

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Solution

The fourth proportional to 7,821.44, 10,793.62 and 4,284.64 is: 5,912.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.44 : 10,793.62 = 4,284.64 : x
  2. Step 2: Convert to fraction form
    7,821.44/10,793.62 = 4,284.64/x
  3. Step 3: Cross multiply
    7,821.44x = 10,793.62 × 4,284.64
  4. Step 4: Simplify right side
    7,821.44x = 46,246,776.00
  5. Step 5: Solve for x
    x = 46,246,776.00/7,821.44
  6. Step 6: Final answer
    x = 5,912.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.