Home / 4,140.71-6,213.30-3,218.12

Finding the Fourth Proportional to 4,140.71, 6,213.30 and 3,218.12

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Solution

The fourth proportional to 4,140.71, 6,213.30 and 3,218.12 is: 4,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.71 : 6,213.30 = 3,218.12 : x
  2. Step 2: Convert to fraction form
    4,140.71/6,213.30 = 3,218.12/x
  3. Step 3: Cross multiply
    4,140.71x = 6,213.30 × 3,218.12
  4. Step 4: Simplify right side
    4,140.71x = 19,995,128.91
  5. Step 5: Solve for x
    x = 19,995,128.91/4,140.71
  6. Step 6: Final answer
    x = 4,828.91

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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.