Home / 6,105.12-8,424.84-3,310.56

Finding the Fourth Proportional to 6,105.12, 8,424.84 and 3,310.56

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Solution

The fourth proportional to 6,105.12, 8,424.84 and 3,310.56 is: 4,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.12 : 8,424.84 = 3,310.56 : x
  2. Step 2: Convert to fraction form
    6,105.12/8,424.84 = 3,310.56/x
  3. Step 3: Cross multiply
    6,105.12x = 8,424.84 × 3,310.56
  4. Step 4: Simplify right side
    6,105.12x = 27,890,938.31
  5. Step 5: Solve for x
    x = 27,890,938.31/6,105.12
  6. Step 6: Final answer
    x = 4,568.45

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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.