Home / 5,499.23-8,249.65-1,989.50

Finding the Fourth Proportional to 5,499.23, 8,249.65 and 1,989.50

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Solution

The fourth proportional to 5,499.23, 8,249.65 and 1,989.50 is: 2,984.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,499.23 : 8,249.65 = 1,989.50 : x
  2. Step 2: Convert to fraction form
    5,499.23/8,249.65 = 1,989.50/x
  3. Step 3: Cross multiply
    5,499.23x = 8,249.65 × 1,989.50
  4. Step 4: Simplify right side
    5,499.23x = 16,412,678.68
  5. Step 5: Solve for x
    x = 16,412,678.68/5,499.23
  6. Step 6: Final answer
    x = 2,984.54

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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.