Home / 6,072.20-8,379.27-3,419.51

Finding the Fourth Proportional to 6,072.20, 8,379.27 and 3,419.51

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Solution

The fourth proportional to 6,072.20, 8,379.27 and 3,419.51 is: 4,718.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,072.20 : 8,379.27 = 3,419.51 : x
  2. Step 2: Convert to fraction form
    6,072.20/8,379.27 = 3,419.51/x
  3. Step 3: Cross multiply
    6,072.20x = 8,379.27 × 3,419.51
  4. Step 4: Simplify right side
    6,072.20x = 28,652,997.56
  5. Step 5: Solve for x
    x = 28,652,997.56/6,072.20
  6. Step 6: Final answer
    x = 4,718.72

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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.