Home / 6,286.56-9,429.91-1,904.21

Finding the Fourth Proportional to 6,286.56, 9,429.91 and 1,904.21

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Solution

The fourth proportional to 6,286.56, 9,429.91 and 1,904.21 is: 2,856.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.56 : 9,429.91 = 1,904.21 : x
  2. Step 2: Convert to fraction form
    6,286.56/9,429.91 = 1,904.21/x
  3. Step 3: Cross multiply
    6,286.56x = 9,429.91 × 1,904.21
  4. Step 4: Simplify right side
    6,286.56x = 17,956,481.77
  5. Step 5: Solve for x
    x = 17,956,481.77/6,286.56
  6. Step 6: Final answer
    x = 2,856.33

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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.