Home / 4,145.11-6,213.07-1,679.20

Finding the Fourth Proportional to 4,145.11, 6,213.07 and 1,679.20

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Solution

The fourth proportional to 4,145.11, 6,213.07 and 1,679.20 is: 2,516.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.11 : 6,213.07 = 1,679.20 : x
  2. Step 2: Convert to fraction form
    4,145.11/6,213.07 = 1,679.20/x
  3. Step 3: Cross multiply
    4,145.11x = 6,213.07 × 1,679.20
  4. Step 4: Simplify right side
    4,145.11x = 10,432,973.71
  5. Step 5: Solve for x
    x = 10,432,973.71/4,145.11
  6. Step 6: Final answer
    x = 2,516.94

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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.