Home / 4,122.64-6,173.93-2,142.04

Finding the Fourth Proportional to 4,122.64, 6,173.93 and 2,142.04

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Solution

The fourth proportional to 4,122.64, 6,173.93 and 2,142.04 is: 3,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.64 : 6,173.93 = 2,142.04 : x
  2. Step 2: Convert to fraction form
    4,122.64/6,173.93 = 2,142.04/x
  3. Step 3: Cross multiply
    4,122.64x = 6,173.93 × 2,142.04
  4. Step 4: Simplify right side
    4,122.64x = 13,224,774.15
  5. Step 5: Solve for x
    x = 13,224,774.15/4,122.64
  6. Step 6: Final answer
    x = 3,207.85

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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.