Home / 4,099.67-6,140.25-2,872.55

Finding the Fourth Proportional to 4,099.67, 6,140.25 and 2,872.55

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Solution

The fourth proportional to 4,099.67, 6,140.25 and 2,872.55 is: 4,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.67 : 6,140.25 = 2,872.55 : x
  2. Step 2: Convert to fraction form
    4,099.67/6,140.25 = 2,872.55/x
  3. Step 3: Cross multiply
    4,099.67x = 6,140.25 × 2,872.55
  4. Step 4: Simplify right side
    4,099.67x = 17,638,190.49
  5. Step 5: Solve for x
    x = 17,638,190.49/4,099.67
  6. Step 6: Final answer
    x = 4,302.35

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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.