Home / 7,901.91-11,844.35-4,200.41

Finding the Fourth Proportional to 7,901.91, 11,844.35 and 4,200.41

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Solution

The fourth proportional to 7,901.91, 11,844.35 and 4,200.41 is: 6,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.91 : 11,844.35 = 4,200.41 : x
  2. Step 2: Convert to fraction form
    7,901.91/11,844.35 = 4,200.41/x
  3. Step 3: Cross multiply
    7,901.91x = 11,844.35 × 4,200.41
  4. Step 4: Simplify right side
    7,901.91x = 49,751,126.18
  5. Step 5: Solve for x
    x = 49,751,126.18/7,901.91
  6. Step 6: Final answer
    x = 6,296.09

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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.