Home / 4,039.78-6,062.46-2,653.78

Finding the Fourth Proportional to 4,039.78, 6,062.46 and 2,653.78

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Solution

The fourth proportional to 4,039.78, 6,062.46 and 2,653.78 is: 3,982.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.78 : 6,062.46 = 2,653.78 : x
  2. Step 2: Convert to fraction form
    4,039.78/6,062.46 = 2,653.78/x
  3. Step 3: Cross multiply
    4,039.78x = 6,062.46 × 2,653.78
  4. Step 4: Simplify right side
    4,039.78x = 16,088,435.10
  5. Step 5: Solve for x
    x = 16,088,435.10/4,039.78
  6. Step 6: Final answer
    x = 3,982.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.