Home / 4,147.29-6,220.92-3,415.32

Finding the Fourth Proportional to 4,147.29, 6,220.92 and 3,415.32

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Solution

The fourth proportional to 4,147.29, 6,220.92 and 3,415.32 is: 5,122.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.29 : 6,220.92 = 3,415.32 : x
  2. Step 2: Convert to fraction form
    4,147.29/6,220.92 = 3,415.32/x
  3. Step 3: Cross multiply
    4,147.29x = 6,220.92 × 3,415.32
  4. Step 4: Simplify right side
    4,147.29x = 21,246,432.49
  5. Step 5: Solve for x
    x = 21,246,432.49/4,147.29
  6. Step 6: Final answer
    x = 5,122.97

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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.