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Finding the Fourth Proportional to 4,210.89, 5,811.11 and 2,418.66

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Solution

The fourth proportional to 4,210.89, 5,811.11 and 2,418.66 is: 3,337.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.89 : 5,811.11 = 2,418.66 : x
  2. Step 2: Convert to fraction form
    4,210.89/5,811.11 = 2,418.66/x
  3. Step 3: Cross multiply
    4,210.89x = 5,811.11 × 2,418.66
  4. Step 4: Simplify right side
    4,210.89x = 14,055,087.22
  5. Step 5: Solve for x
    x = 14,055,087.22/4,210.89
  6. Step 6: Final answer
    x = 3,337.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.