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Finding the Fourth Proportional to 6,348, 8,760.32 and 3,515.43

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Solution

The fourth proportional to 6,348, 8,760.32 and 3,515.43 is: 4,851.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,348 : 8,760.32 = 3,515.43 : x
  2. Step 2: Convert to fraction form
    6,348/8,760.32 = 3,515.43/x
  3. Step 3: Cross multiply
    6,348x = 8,760.32 × 3,515.43
  4. Step 4: Simplify right side
    6,348x = 30,796,274.16
  5. Step 5: Solve for x
    x = 30,796,274.16/6,348
  6. Step 6: Final answer
    x = 4,851.33

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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.