Home / 5,617.34-8,427.62-1,722.32

Finding the Fourth Proportional to 5,617.34, 8,427.62 and 1,722.32

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Solution

The fourth proportional to 5,617.34, 8,427.62 and 1,722.32 is: 2,583.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.34 : 8,427.62 = 1,722.32 : x
  2. Step 2: Convert to fraction form
    5,617.34/8,427.62 = 1,722.32/x
  3. Step 3: Cross multiply
    5,617.34x = 8,427.62 × 1,722.32
  4. Step 4: Simplify right side
    5,617.34x = 14,515,020.65
  5. Step 5: Solve for x
    x = 14,515,020.65/5,617.34
  6. Step 6: Final answer
    x = 2,583.97

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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.