Home / 6,601.72-9,903.78-2,708.86

Finding the Fourth Proportional to 6,601.72, 9,903.78 and 2,708.86

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Solution

The fourth proportional to 6,601.72, 9,903.78 and 2,708.86 is: 4,063.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.72 : 9,903.78 = 2,708.86 : x
  2. Step 2: Convert to fraction form
    6,601.72/9,903.78 = 2,708.86/x
  3. Step 3: Cross multiply
    6,601.72x = 9,903.78 × 2,708.86
  4. Step 4: Simplify right side
    6,601.72x = 26,827,953.49
  5. Step 5: Solve for x
    x = 26,827,953.49/6,601.72
  6. Step 6: Final answer
    x = 4,063.78

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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.