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Finding the Fourth Proportional to 6,306.72, 8,701.02 and 3,652.68

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Solution

The fourth proportional to 6,306.72, 8,701.02 and 3,652.68 is: 5,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,306.72 : 8,701.02 = 3,652.68 : x
  2. Step 2: Convert to fraction form
    6,306.72/8,701.02 = 3,652.68/x
  3. Step 3: Cross multiply
    6,306.72x = 8,701.02 × 3,652.68
  4. Step 4: Simplify right side
    6,306.72x = 31,782,041.73
  5. Step 5: Solve for x
    x = 31,782,041.73/6,306.72
  6. Step 6: Final answer
    x = 5,039.39

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Half scale
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Double scale
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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.