Home / 4,207.94-6,311.91-1,129.94

Finding the Fourth Proportional to 4,207.94, 6,311.91 and 1,129.94

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Solution

The fourth proportional to 4,207.94, 6,311.91 and 1,129.94 is: 1,694.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.94 : 6,311.91 = 1,129.94 : x
  2. Step 2: Convert to fraction form
    4,207.94/6,311.91 = 1,129.94/x
  3. Step 3: Cross multiply
    4,207.94x = 6,311.91 × 1,129.94
  4. Step 4: Simplify right side
    4,207.94x = 7,132,079.59
  5. Step 5: Solve for x
    x = 7,132,079.59/4,207.94
  6. Step 6: Final answer
    x = 1,694.91

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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.