Home / 6,212.28-8,572.92-3,417.72

Finding the Fourth Proportional to 6,212.28, 8,572.92 and 3,417.72

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Solution

The fourth proportional to 6,212.28, 8,572.92 and 3,417.72 is: 4,716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.28 : 8,572.92 = 3,417.72 : x
  2. Step 2: Convert to fraction form
    6,212.28/8,572.92 = 3,417.72/x
  3. Step 3: Cross multiply
    6,212.28x = 8,572.92 × 3,417.72
  4. Step 4: Simplify right side
    6,212.28x = 29,299,840.14
  5. Step 5: Solve for x
    x = 29,299,840.14/6,212.28
  6. Step 6: Final answer
    x = 4,716.44

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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.