Home / 6,631.15-9,946.19-3,856.05

Finding the Fourth Proportional to 6,631.15, 9,946.19 and 3,856.05

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Solution

The fourth proportional to 6,631.15, 9,946.19 and 3,856.05 is: 5,783.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.15 : 9,946.19 = 3,856.05 : x
  2. Step 2: Convert to fraction form
    6,631.15/9,946.19 = 3,856.05/x
  3. Step 3: Cross multiply
    6,631.15x = 9,946.19 × 3,856.05
  4. Step 4: Simplify right side
    6,631.15x = 38,352,936.94
  5. Step 5: Solve for x
    x = 38,352,936.94/6,631.15
  6. Step 6: Final answer
    x = 5,783.76

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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.