Home / 6,342.83-9,511.91-2,181.66

Finding the Fourth Proportional to 6,342.83, 9,511.91 and 2,181.66

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Solution

The fourth proportional to 6,342.83, 9,511.91 and 2,181.66 is: 3,271.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.83 : 9,511.91 = 2,181.66 : x
  2. Step 2: Convert to fraction form
    6,342.83/9,511.91 = 2,181.66/x
  3. Step 3: Cross multiply
    6,342.83x = 9,511.91 × 2,181.66
  4. Step 4: Simplify right side
    6,342.83x = 20,751,695.10
  5. Step 5: Solve for x
    x = 20,751,695.10/6,342.83
  6. Step 6: Final answer
    x = 3,271.68

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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.