Home / 8,439.46-12,661.92-4,057.26

Finding the Fourth Proportional to 8,439.46, 12,661.92 and 4,057.26

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Solution

The fourth proportional to 8,439.46, 12,661.92 and 4,057.26 is: 6,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439.46 : 12,661.92 = 4,057.26 : x
  2. Step 2: Convert to fraction form
    8,439.46/12,661.92 = 4,057.26/x
  3. Step 3: Cross multiply
    8,439.46x = 12,661.92 × 4,057.26
  4. Step 4: Simplify right side
    8,439.46x = 51,372,617.94
  5. Step 5: Solve for x
    x = 51,372,617.94/8,439.46
  6. Step 6: Final answer
    x = 6,087.20

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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.