Home / 4,154.22-6,221.61-3,115.26

Finding the Fourth Proportional to 4,154.22, 6,221.61 and 3,115.26

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Solution

The fourth proportional to 4,154.22, 6,221.61 and 3,115.26 is: 4,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154.22 : 6,221.61 = 3,115.26 : x
  2. Step 2: Convert to fraction form
    4,154.22/6,221.61 = 3,115.26/x
  3. Step 3: Cross multiply
    4,154.22x = 6,221.61 × 3,115.26
  4. Step 4: Simplify right side
    4,154.22x = 19,381,932.77
  5. Step 5: Solve for x
    x = 19,381,932.77/4,154.22
  6. Step 6: Final answer
    x = 4,665.60

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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.