Home / 7,895.82-11,840.76-2,896.56

Finding the Fourth Proportional to 7,895.82, 11,840.76 and 2,896.56

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Solution

The fourth proportional to 7,895.82, 11,840.76 and 2,896.56 is: 4,343.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.82 : 11,840.76 = 2,896.56 : x
  2. Step 2: Convert to fraction form
    7,895.82/11,840.76 = 2,896.56/x
  3. Step 3: Cross multiply
    7,895.82x = 11,840.76 × 2,896.56
  4. Step 4: Simplify right side
    7,895.82x = 34,297,471.79
  5. Step 5: Solve for x
    x = 34,297,471.79/7,895.82
  6. Step 6: Final answer
    x = 4,343.75

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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.