Home / 5,164.39-7,127.90-3,068.11

Finding the Fourth Proportional to 5,164.39, 7,127.90 and 3,068.11

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Solution

The fourth proportional to 5,164.39, 7,127.90 and 3,068.11 is: 4,234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.39 : 7,127.90 = 3,068.11 : x
  2. Step 2: Convert to fraction form
    5,164.39/7,127.90 = 3,068.11/x
  3. Step 3: Cross multiply
    5,164.39x = 7,127.90 × 3,068.11
  4. Step 4: Simplify right side
    5,164.39x = 21,869,181.27
  5. Step 5: Solve for x
    x = 21,869,181.27/5,164.39
  6. Step 6: Final answer
    x = 4,234.61

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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.