Home / 6,286.47-9,430.14-2,125.09

Finding the Fourth Proportional to 6,286.47, 9,430.14 and 2,125.09

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Solution

The fourth proportional to 6,286.47, 9,430.14 and 2,125.09 is: 3,187.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.47 : 9,430.14 = 2,125.09 : x
  2. Step 2: Convert to fraction form
    6,286.47/9,430.14 = 2,125.09/x
  3. Step 3: Cross multiply
    6,286.47x = 9,430.14 × 2,125.09
  4. Step 4: Simplify right side
    6,286.47x = 20,039,896.21
  5. Step 5: Solve for x
    x = 20,039,896.21/6,286.47
  6. Step 6: Final answer
    x = 3,187.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.