Home / 4,272.45-6,397.10-2,216.13

Finding the Fourth Proportional to 4,272.45, 6,397.10 and 2,216.13

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Solution

The fourth proportional to 4,272.45, 6,397.10 and 2,216.13 is: 3,318.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.45 : 6,397.10 = 2,216.13 : x
  2. Step 2: Convert to fraction form
    4,272.45/6,397.10 = 2,216.13/x
  3. Step 3: Cross multiply
    4,272.45x = 6,397.10 × 2,216.13
  4. Step 4: Simplify right side
    4,272.45x = 14,176,794.14
  5. Step 5: Solve for x
    x = 14,176,794.14/4,272.45
  6. Step 6: Final answer
    x = 3,318.19

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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.