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Finding the Fourth Proportional to 4,962.38, 7,443.56 and 1,499.63

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Solution

The fourth proportional to 4,962.38, 7,443.56 and 1,499.63 is: 2,249.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,962.38 : 7,443.56 = 1,499.63 : x
  2. Step 2: Convert to fraction form
    4,962.38/7,443.56 = 1,499.63/x
  3. Step 3: Cross multiply
    4,962.38x = 7,443.56 × 1,499.63
  4. Step 4: Simplify right side
    4,962.38x = 11,162,552.41
  5. Step 5: Solve for x
    x = 11,162,552.41/4,962.38
  6. Step 6: Final answer
    x = 2,249.44

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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.