Home / 4,216.08-6,319.18-3,172.74

Finding the Fourth Proportional to 4,216.08, 6,319.18 and 3,172.74

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Solution

The fourth proportional to 4,216.08, 6,319.18 and 3,172.74 is: 4,755.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.08 : 6,319.18 = 3,172.74 : x
  2. Step 2: Convert to fraction form
    4,216.08/6,319.18 = 3,172.74/x
  3. Step 3: Cross multiply
    4,216.08x = 6,319.18 × 3,172.74
  4. Step 4: Simplify right side
    4,216.08x = 20,049,115.15
  5. Step 5: Solve for x
    x = 20,049,115.15/4,216.08
  6. Step 6: Final answer
    x = 4,755.39

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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.