Home / 6,427.08-8,867.94-3,910.50

Finding the Fourth Proportional to 6,427.08, 8,867.94 and 3,910.50

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Solution

The fourth proportional to 6,427.08, 8,867.94 and 3,910.50 is: 5,395.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.08 : 8,867.94 = 3,910.50 : x
  2. Step 2: Convert to fraction form
    6,427.08/8,867.94 = 3,910.50/x
  3. Step 3: Cross multiply
    6,427.08x = 8,867.94 × 3,910.50
  4. Step 4: Simplify right side
    6,427.08x = 34,678,079.37
  5. Step 5: Solve for x
    x = 34,678,079.37/6,427.08
  6. Step 6: Final answer
    x = 5,395.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.