Home / 5,443.35-8,168.90-2,157.16

Finding the Fourth Proportional to 5,443.35, 8,168.90 and 2,157.16

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Solution

The fourth proportional to 5,443.35, 8,168.90 and 2,157.16 is: 3,237.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.35 : 8,168.90 = 2,157.16 : x
  2. Step 2: Convert to fraction form
    5,443.35/8,168.90 = 2,157.16/x
  3. Step 3: Cross multiply
    5,443.35x = 8,168.90 × 2,157.16
  4. Step 4: Simplify right side
    5,443.35x = 17,621,597.59
  5. Step 5: Solve for x
    x = 17,621,597.59/5,443.35
  6. Step 6: Final answer
    x = 3,237.27

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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.