Home / 6,120.12-8,445.52-3,325.56

Finding the Fourth Proportional to 6,120.12, 8,445.52 and 3,325.56

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Solution

The fourth proportional to 6,120.12, 8,445.52 and 3,325.56 is: 4,589.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.12 : 8,445.52 = 3,325.56 : x
  2. Step 2: Convert to fraction form
    6,120.12/8,445.52 = 3,325.56/x
  3. Step 3: Cross multiply
    6,120.12x = 8,445.52 × 3,325.56
  4. Step 4: Simplify right side
    6,120.12x = 28,086,083.49
  5. Step 5: Solve for x
    x = 28,086,083.49/6,120.12
  6. Step 6: Final answer
    x = 4,589.14

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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.