Home / 4,215.91-5,814.72-3,224.47

Finding the Fourth Proportional to 4,215.91, 5,814.72 and 3,224.47

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Solution

The fourth proportional to 4,215.91, 5,814.72 and 3,224.47 is: 4,447.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.91 : 5,814.72 = 3,224.47 : x
  2. Step 2: Convert to fraction form
    4,215.91/5,814.72 = 3,224.47/x
  3. Step 3: Cross multiply
    4,215.91x = 5,814.72 × 3,224.47
  4. Step 4: Simplify right side
    4,215.91x = 18,749,390.20
  5. Step 5: Solve for x
    x = 18,749,390.20/4,215.91
  6. Step 6: Final answer
    x = 4,447.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.