Home / 7,942.28-10,947.72-6,260.96

Finding the Fourth Proportional to 7,942.28, 10,947.72 and 6,260.96

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Solution

The fourth proportional to 7,942.28, 10,947.72 and 6,260.96 is: 8,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.28 : 10,947.72 = 6,260.96 : x
  2. Step 2: Convert to fraction form
    7,942.28/10,947.72 = 6,260.96/x
  3. Step 3: Cross multiply
    7,942.28x = 10,947.72 × 6,260.96
  4. Step 4: Simplify right side
    7,942.28x = 68,543,237.01
  5. Step 5: Solve for x
    x = 68,543,237.01/7,942.28
  6. Step 6: Final answer
    x = 8,630.17

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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.