Home / 6,072.20-8,379.67-3,419.66

Finding the Fourth Proportional to 6,072.20, 8,379.67 and 3,419.66

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Solution

The fourth proportional to 6,072.20, 8,379.67 and 3,419.66 is: 4,719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,072.20 : 8,379.67 = 3,419.66 : x
  2. Step 2: Convert to fraction form
    6,072.20/8,379.67 = 3,419.66/x
  3. Step 3: Cross multiply
    6,072.20x = 8,379.67 × 3,419.66
  4. Step 4: Simplify right side
    6,072.20x = 28,655,622.31
  5. Step 5: Solve for x
    x = 28,655,622.31/6,072.20
  6. Step 6: Final answer
    x = 4,719.15

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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.