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Finding the Fourth Proportional to 6,310.71, 8,708.27 and 3,658.29

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Solution

The fourth proportional to 6,310.71, 8,708.27 and 3,658.29 is: 5,048.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.71 : 8,708.27 = 3,658.29 : x
  2. Step 2: Convert to fraction form
    6,310.71/8,708.27 = 3,658.29/x
  3. Step 3: Cross multiply
    6,310.71x = 8,708.27 × 3,658.29
  4. Step 4: Simplify right side
    6,310.71x = 31,857,358.77
  5. Step 5: Solve for x
    x = 31,857,358.77/6,310.71
  6. Step 6: Final answer
    x = 5,048.14

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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.