Home / 4,405.28-6,610.08-1,939.79

Finding the Fourth Proportional to 4,405.28, 6,610.08 and 1,939.79

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Solution

The fourth proportional to 4,405.28, 6,610.08 and 1,939.79 is: 2,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.28 : 6,610.08 = 1,939.79 : x
  2. Step 2: Convert to fraction form
    4,405.28/6,610.08 = 1,939.79/x
  3. Step 3: Cross multiply
    4,405.28x = 6,610.08 × 1,939.79
  4. Step 4: Simplify right side
    4,405.28x = 12,822,157.38
  5. Step 5: Solve for x
    x = 12,822,157.38/4,405.28
  6. Step 6: Final answer
    x = 2,910.63

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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.