Home / 4,168.34-6,247.10-3,120.11

Finding the Fourth Proportional to 4,168.34, 6,247.10 and 3,120.11

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Solution

The fourth proportional to 4,168.34, 6,247.10 and 3,120.11 is: 4,676.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.34 : 6,247.10 = 3,120.11 : x
  2. Step 2: Convert to fraction form
    4,168.34/6,247.10 = 3,120.11/x
  3. Step 3: Cross multiply
    4,168.34x = 6,247.10 × 3,120.11
  4. Step 4: Simplify right side
    4,168.34x = 19,491,639.18
  5. Step 5: Solve for x
    x = 19,491,639.18/4,168.34
  6. Step 6: Final answer
    x = 4,676.12

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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.