Home / 5,623.16-8,439.03-2,115.77

Finding the Fourth Proportional to 5,623.16, 8,439.03 and 2,115.77

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Solution

The fourth proportional to 5,623.16, 8,439.03 and 2,115.77 is: 3,175.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.16 : 8,439.03 = 2,115.77 : x
  2. Step 2: Convert to fraction form
    5,623.16/8,439.03 = 2,115.77/x
  3. Step 3: Cross multiply
    5,623.16x = 8,439.03 × 2,115.77
  4. Step 4: Simplify right side
    5,623.16x = 17,855,004.31
  5. Step 5: Solve for x
    x = 17,855,004.31/5,623.16
  6. Step 6: Final answer
    x = 3,175.26

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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.