Home / 4,218.13-6,328.07-2,110.85

Finding the Fourth Proportional to 4,218.13, 6,328.07 and 2,110.85

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Solution

The fourth proportional to 4,218.13, 6,328.07 and 2,110.85 is: 3,166.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.13 : 6,328.07 = 2,110.85 : x
  2. Step 2: Convert to fraction form
    4,218.13/6,328.07 = 2,110.85/x
  3. Step 3: Cross multiply
    4,218.13x = 6,328.07 × 2,110.85
  4. Step 4: Simplify right side
    4,218.13x = 13,357,606.56
  5. Step 5: Solve for x
    x = 13,357,606.56/4,218.13
  6. Step 6: Final answer
    x = 3,166.71

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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.