Home / 5,500.96-8,249.69-1,990.49

Finding the Fourth Proportional to 5,500.96, 8,249.69 and 1,990.49

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Solution

The fourth proportional to 5,500.96, 8,249.69 and 1,990.49 is: 2,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.96 : 8,249.69 = 1,990.49 : x
  2. Step 2: Convert to fraction form
    5,500.96/8,249.69 = 1,990.49/x
  3. Step 3: Cross multiply
    5,500.96x = 8,249.69 × 1,990.49
  4. Step 4: Simplify right side
    5,500.96x = 16,420,889.18
  5. Step 5: Solve for x
    x = 16,420,889.18/5,500.96
  6. Step 6: Final answer
    x = 2,985.10

Related Problems

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Half scale
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Double scale
Find fourth proportional to 5,501.96, 8,251.19 and 1,991.49
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.