Home / 5,516.01-7,612.20-2,998.14

Finding the Fourth Proportional to 5,516.01, 7,612.20 and 2,998.14

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Solution

The fourth proportional to 5,516.01, 7,612.20 and 2,998.14 is: 4,137.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.01 : 7,612.20 = 2,998.14 : x
  2. Step 2: Convert to fraction form
    5,516.01/7,612.20 = 2,998.14/x
  3. Step 3: Cross multiply
    5,516.01x = 7,612.20 × 2,998.14
  4. Step 4: Simplify right side
    5,516.01x = 22,822,441.31
  5. Step 5: Solve for x
    x = 22,822,441.31/5,516.01
  6. Step 6: Final answer
    x = 4,137.49

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.