Home / 4,247.43-6,369.31-2,165.22

Finding the Fourth Proportional to 4,247.43, 6,369.31 and 2,165.22

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Solution

The fourth proportional to 4,247.43, 6,369.31 and 2,165.22 is: 3,246.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.43 : 6,369.31 = 2,165.22 : x
  2. Step 2: Convert to fraction form
    4,247.43/6,369.31 = 2,165.22/x
  3. Step 3: Cross multiply
    4,247.43x = 6,369.31 × 2,165.22
  4. Step 4: Simplify right side
    4,247.43x = 13,790,957.40
  5. Step 5: Solve for x
    x = 13,790,957.40/4,247.43
  6. Step 6: Final answer
    x = 3,246.89

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1.5x scale

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.