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Finding the Fourth Proportional to 6,247.49, 9,371.24 and 1,630.49

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Solution

The fourth proportional to 6,247.49, 9,371.24 and 1,630.49 is: 2,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.49 : 9,371.24 = 1,630.49 : x
  2. Step 2: Convert to fraction form
    6,247.49/9,371.24 = 1,630.49/x
  3. Step 3: Cross multiply
    6,247.49x = 9,371.24 × 1,630.49
  4. Step 4: Simplify right side
    6,247.49x = 15,279,713.11
  5. Step 5: Solve for x
    x = 15,279,713.11/6,247.49
  6. Step 6: Final answer
    x = 2,445.74

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Half scale
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Double scale
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Similar ratio
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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.