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Finding the Fourth Proportional to 6,344.52, 8,754.58 and 3,689.88

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Solution

The fourth proportional to 6,344.52, 8,754.58 and 3,689.88 is: 5,091.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,344.52 : 8,754.58 = 3,689.88 : x
  2. Step 2: Convert to fraction form
    6,344.52/8,754.58 = 3,689.88/x
  3. Step 3: Cross multiply
    6,344.52x = 8,754.58 × 3,689.88
  4. Step 4: Simplify right side
    6,344.52x = 32,303,349.65
  5. Step 5: Solve for x
    x = 32,303,349.65/6,344.52
  6. Step 6: Final answer
    x = 5,091.54

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1.5x scale

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.