Home / 7,945.56-10,964.36-4,961.22

Finding the Fourth Proportional to 7,945.56, 10,964.36 and 4,961.22

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Solution

The fourth proportional to 7,945.56, 10,964.36 and 4,961.22 is: 6,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.56 : 10,964.36 = 4,961.22 : x
  2. Step 2: Convert to fraction form
    7,945.56/10,964.36 = 4,961.22/x
  3. Step 3: Cross multiply
    7,945.56x = 10,964.36 × 4,961.22
  4. Step 4: Simplify right side
    7,945.56x = 54,396,573.41
  5. Step 5: Solve for x
    x = 54,396,573.41/7,945.56
  6. Step 6: Final answer
    x = 6,846.16

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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.