Home / 4,137.55-6,207.18-1,672.56

Finding the Fourth Proportional to 4,137.55, 6,207.18 and 1,672.56

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Solution

The fourth proportional to 4,137.55, 6,207.18 and 1,672.56 is: 2,509.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.55 : 6,207.18 = 1,672.56 : x
  2. Step 2: Convert to fraction form
    4,137.55/6,207.18 = 1,672.56/x
  3. Step 3: Cross multiply
    4,137.55x = 6,207.18 × 1,672.56
  4. Step 4: Simplify right side
    4,137.55x = 10,381,880.98
  5. Step 5: Solve for x
    x = 10,381,880.98/4,137.55
  6. Step 6: Final answer
    x = 2,509.19

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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.