Home / 7,857.35-10,843.14-4,320.56

Finding the Fourth Proportional to 7,857.35, 10,843.14 and 4,320.56

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Solution

The fourth proportional to 7,857.35, 10,843.14 and 4,320.56 is: 5,962.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857.35 : 10,843.14 = 4,320.56 : x
  2. Step 2: Convert to fraction form
    7,857.35/10,843.14 = 4,320.56/x
  3. Step 3: Cross multiply
    7,857.35x = 10,843.14 × 4,320.56
  4. Step 4: Simplify right side
    7,857.35x = 46,848,436.96
  5. Step 5: Solve for x
    x = 46,848,436.96/7,857.35
  6. Step 6: Final answer
    x = 5,962.37

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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.