Home / 5,118.24-7,677.52-1,998.12

Finding the Fourth Proportional to 5,118.24, 7,677.52 and 1,998.12

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Solution

The fourth proportional to 5,118.24, 7,677.52 and 1,998.12 is: 2,997.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.24 : 7,677.52 = 1,998.12 : x
  2. Step 2: Convert to fraction form
    5,118.24/7,677.52 = 1,998.12/x
  3. Step 3: Cross multiply
    5,118.24x = 7,677.52 × 1,998.12
  4. Step 4: Simplify right side
    5,118.24x = 15,340,606.26
  5. Step 5: Solve for x
    x = 15,340,606.26/5,118.24
  6. Step 6: Final answer
    x = 2,997.24

Related Problems

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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.