Home / 7,857.33-10,843.19-4,320.56

Finding the Fourth Proportional to 7,857.33, 10,843.19 and 4,320.56

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Solution

The fourth proportional to 7,857.33, 10,843.19 and 4,320.56 is: 5,962.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857.33 : 10,843.19 = 4,320.56 : x
  2. Step 2: Convert to fraction form
    7,857.33/10,843.19 = 4,320.56/x
  3. Step 3: Cross multiply
    7,857.33x = 10,843.19 × 4,320.56
  4. Step 4: Simplify right side
    7,857.33x = 46,848,674.69
  5. Step 5: Solve for x
    x = 46,848,674.69/7,857.33
  6. Step 6: Final answer
    x = 5,962.42

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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.