Home / 4,227.42-6,337.89-2,145.18

Finding the Fourth Proportional to 4,227.42, 6,337.89 and 2,145.18

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Solution

The fourth proportional to 4,227.42, 6,337.89 and 2,145.18 is: 3,216.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.42 : 6,337.89 = 2,145.18 : x
  2. Step 2: Convert to fraction form
    4,227.42/6,337.89 = 2,145.18/x
  3. Step 3: Cross multiply
    4,227.42x = 6,337.89 × 2,145.18
  4. Step 4: Simplify right side
    4,227.42x = 13,595,914.87
  5. Step 5: Solve for x
    x = 13,595,914.87/4,227.42
  6. Step 6: Final answer
    x = 3,216.13

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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.