Home / 6,120.47-8,446.27-3,325.97

Finding the Fourth Proportional to 6,120.47, 8,446.27 and 3,325.97

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Solution

The fourth proportional to 6,120.47, 8,446.27 and 3,325.97 is: 4,589.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.47 : 8,446.27 = 3,325.97 : x
  2. Step 2: Convert to fraction form
    6,120.47/8,446.27 = 3,325.97/x
  3. Step 3: Cross multiply
    6,120.47x = 8,446.27 × 3,325.97
  4. Step 4: Simplify right side
    6,120.47x = 28,092,040.63
  5. Step 5: Solve for x
    x = 28,092,040.63/6,120.47
  6. Step 6: Final answer
    x = 4,589.85

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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.