Home / 7,858.39-10,844.62-4,321.83

Finding the Fourth Proportional to 7,858.39, 10,844.62 and 4,321.83

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Solution

The fourth proportional to 7,858.39, 10,844.62 and 4,321.83 is: 5,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.39 : 10,844.62 = 4,321.83 : x
  2. Step 2: Convert to fraction form
    7,858.39/10,844.62 = 4,321.83/x
  3. Step 3: Cross multiply
    7,858.39x = 10,844.62 × 4,321.83
  4. Step 4: Simplify right side
    7,858.39x = 46,868,604.05
  5. Step 5: Solve for x
    x = 46,868,604.05/7,858.39
  6. Step 6: Final answer
    x = 5,964.15

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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.