Home / 6,857.14-9,462.84-3,873.60

Finding the Fourth Proportional to 6,857.14, 9,462.84 and 3,873.60

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Solution

The fourth proportional to 6,857.14, 9,462.84 and 3,873.60 is: 5,345.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.14 : 9,462.84 = 3,873.60 : x
  2. Step 2: Convert to fraction form
    6,857.14/9,462.84 = 3,873.60/x
  3. Step 3: Cross multiply
    6,857.14x = 9,462.84 × 3,873.60
  4. Step 4: Simplify right side
    6,857.14x = 36,655,257.02
  5. Step 5: Solve for x
    x = 36,655,257.02/6,857.14
  6. Step 6: Final answer
    x = 5,345.56

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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.