Home / 4,212.12-5,809.30-3,706.89

Finding the Fourth Proportional to 4,212.12, 5,809.30 and 3,706.89

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Solution

The fourth proportional to 4,212.12, 5,809.30 and 3,706.89 is: 5,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.12 : 5,809.30 = 3,706.89 : x
  2. Step 2: Convert to fraction form
    4,212.12/5,809.30 = 3,706.89/x
  3. Step 3: Cross multiply
    4,212.12x = 5,809.30 × 3,706.89
  4. Step 4: Simplify right side
    4,212.12x = 21,534,436.08
  5. Step 5: Solve for x
    x = 21,534,436.08/4,212.12
  6. Step 6: Final answer
    x = 5,112.49

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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.