Home / 6,886.74-10,331.73-1,956.27

Finding the Fourth Proportional to 6,886.74, 10,331.73 and 1,956.27

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Solution

The fourth proportional to 6,886.74, 10,331.73 and 1,956.27 is: 2,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.74 : 10,331.73 = 1,956.27 : x
  2. Step 2: Convert to fraction form
    6,886.74/10,331.73 = 1,956.27/x
  3. Step 3: Cross multiply
    6,886.74x = 10,331.73 × 1,956.27
  4. Step 4: Simplify right side
    6,886.74x = 20,211,653.45
  5. Step 5: Solve for x
    x = 20,211,653.45/6,886.74
  6. Step 6: Final answer
    x = 2,934.87

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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.