Home / 4,145.12-6,217.70-1,838.24

Finding the Fourth Proportional to 4,145.12, 6,217.70 and 1,838.24

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Solution

The fourth proportional to 4,145.12, 6,217.70 and 1,838.24 is: 2,757.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.12 : 6,217.70 = 1,838.24 : x
  2. Step 2: Convert to fraction form
    4,145.12/6,217.70 = 1,838.24/x
  3. Step 3: Cross multiply
    4,145.12x = 6,217.70 × 1,838.24
  4. Step 4: Simplify right side
    4,145.12x = 11,429,624.85
  5. Step 5: Solve for x
    x = 11,429,624.85/4,145.12
  6. Step 6: Final answer
    x = 2,757.37

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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.