Home / 3,811.23-5,247.98-3,066.39

Finding the Fourth Proportional to 3,811.23, 5,247.98 and 3,066.39

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Solution

The fourth proportional to 3,811.23, 5,247.98 and 3,066.39 is: 4,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.23 : 5,247.98 = 3,066.39 : x
  2. Step 2: Convert to fraction form
    3,811.23/5,247.98 = 3,066.39/x
  3. Step 3: Cross multiply
    3,811.23x = 5,247.98 × 3,066.39
  4. Step 4: Simplify right side
    3,811.23x = 16,092,338.06
  5. Step 5: Solve for x
    x = 16,092,338.06/3,811.23
  6. Step 6: Final answer
    x = 4,222.35

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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.