Home / 5,523.05-7,621.81-3,005.16

Finding the Fourth Proportional to 5,523.05, 7,621.81 and 3,005.16

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Solution

The fourth proportional to 5,523.05, 7,621.81 and 3,005.16 is: 4,147.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.05 : 7,621.81 = 3,005.16 : x
  2. Step 2: Convert to fraction form
    5,523.05/7,621.81 = 3,005.16/x
  3. Step 3: Cross multiply
    5,523.05x = 7,621.81 × 3,005.16
  4. Step 4: Simplify right side
    5,523.05x = 22,904,705.40
  5. Step 5: Solve for x
    x = 22,904,705.40/5,523.05
  6. Step 6: Final answer
    x = 4,147.11

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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.