Home / 7,939.28-10,943.58-6,257.96

Finding the Fourth Proportional to 7,939.28, 10,943.58 and 6,257.96

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Solution

The fourth proportional to 7,939.28, 10,943.58 and 6,257.96 is: 8,626.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.28 : 10,943.58 = 6,257.96 : x
  2. Step 2: Convert to fraction form
    7,939.28/10,943.58 = 6,257.96/x
  3. Step 3: Cross multiply
    7,939.28x = 10,943.58 × 6,257.96
  4. Step 4: Simplify right side
    7,939.28x = 68,484,485.90
  5. Step 5: Solve for x
    x = 68,484,485.90/7,939.28
  6. Step 6: Final answer
    x = 8,626.03

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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.