Home / 6,424.36-9,631.87-4,339.20

Finding the Fourth Proportional to 6,424.36, 9,631.87 and 4,339.20

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Solution

The fourth proportional to 6,424.36, 9,631.87 and 4,339.20 is: 6,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.36 : 9,631.87 = 4,339.20 : x
  2. Step 2: Convert to fraction form
    6,424.36/9,631.87 = 4,339.20/x
  3. Step 3: Cross multiply
    6,424.36x = 9,631.87 × 4,339.20
  4. Step 4: Simplify right side
    6,424.36x = 41,794,610.30
  5. Step 5: Solve for x
    x = 41,794,610.30/6,424.36
  6. Step 6: Final answer
    x = 6,505.65

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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.