Home / 6,386.38-8,813.27-3,733.28

Finding the Fourth Proportional to 6,386.38, 8,813.27 and 3,733.28

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Solution

The fourth proportional to 6,386.38, 8,813.27 and 3,733.28 is: 5,151.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.38 : 8,813.27 = 3,733.28 : x
  2. Step 2: Convert to fraction form
    6,386.38/8,813.27 = 3,733.28/x
  3. Step 3: Cross multiply
    6,386.38x = 8,813.27 × 3,733.28
  4. Step 4: Simplify right side
    6,386.38x = 32,902,374.80
  5. Step 5: Solve for x
    x = 32,902,374.80/6,386.38
  6. Step 6: Final answer
    x = 5,151.96

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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.