Home / 6,827.26-10,225-6,640.36

Finding the Fourth Proportional to 6,827.26, 10,225 and 6,640.36

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Solution

The fourth proportional to 6,827.26, 10,225 and 6,640.36 is: 9,945.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,827.26 : 10,225 = 6,640.36 : x
  2. Step 2: Convert to fraction form
    6,827.26/10,225 = 6,640.36/x
  3. Step 3: Cross multiply
    6,827.26x = 10,225 × 6,640.36
  4. Step 4: Simplify right side
    6,827.26x = 67,897,681
  5. Step 5: Solve for x
    x = 67,897,681/6,827.26
  6. Step 6: Final answer
    x = 9,945.08

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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.