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Finding the Fourth Proportional to 6,813, 10,265.03 and 6,155.64

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Solution

The fourth proportional to 6,813, 10,265.03 and 6,155.64 is: 9,274.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813 : 10,265.03 = 6,155.64 : x
  2. Step 2: Convert to fraction form
    6,813/10,265.03 = 6,155.64/x
  3. Step 3: Cross multiply
    6,813x = 10,265.03 × 6,155.64
  4. Step 4: Simplify right side
    6,813x = 63,187,798.49
  5. Step 5: Solve for x
    x = 63,187,798.49/6,813
  6. Step 6: Final answer
    x = 9,274.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.