Home / 4,169.91-6,255.90-3,430.71

Finding the Fourth Proportional to 4,169.91, 6,255.90 and 3,430.71

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Solution

The fourth proportional to 4,169.91, 6,255.90 and 3,430.71 is: 5,146.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,169.91 : 6,255.90 = 3,430.71 : x
  2. Step 2: Convert to fraction form
    4,169.91/6,255.90 = 3,430.71/x
  3. Step 3: Cross multiply
    4,169.91x = 6,255.90 × 3,430.71
  4. Step 4: Simplify right side
    4,169.91x = 21,462,178.69
  5. Step 5: Solve for x
    x = 21,462,178.69/4,169.91
  6. Step 6: Final answer
    x = 5,146.92

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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.