Home / 4,247.21-6,372.03-2,165.51

Finding the Fourth Proportional to 4,247.21, 6,372.03 and 2,165.51

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Solution

The fourth proportional to 4,247.21, 6,372.03 and 2,165.51 is: 3,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.21 : 6,372.03 = 2,165.51 : x
  2. Step 2: Convert to fraction form
    4,247.21/6,372.03 = 2,165.51/x
  3. Step 3: Cross multiply
    4,247.21x = 6,372.03 × 2,165.51
  4. Step 4: Simplify right side
    4,247.21x = 13,798,694.69
  5. Step 5: Solve for x
    x = 13,798,694.69/4,247.21
  6. Step 6: Final answer
    x = 3,248.88

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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.