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Finding the Fourth Proportional to 6,328.70, 9,494.87 and 2,631.76

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Solution

The fourth proportional to 6,328.70, 9,494.87 and 2,631.76 is: 3,948.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328.70 : 9,494.87 = 2,631.76 : x
  2. Step 2: Convert to fraction form
    6,328.70/9,494.87 = 2,631.76/x
  3. Step 3: Cross multiply
    6,328.70x = 9,494.87 × 2,631.76
  4. Step 4: Simplify right side
    6,328.70x = 24,988,182.18
  5. Step 5: Solve for x
    x = 24,988,182.18/6,328.70
  6. Step 6: Final answer
    x = 3,948.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.