Home / 7,896.42-11,844.60-3,215.38

Finding the Fourth Proportional to 7,896.42, 11,844.60 and 3,215.38

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Solution

The fourth proportional to 7,896.42, 11,844.60 and 3,215.38 is: 4,823.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.42 : 11,844.60 = 3,215.38 : x
  2. Step 2: Convert to fraction form
    7,896.42/11,844.60 = 3,215.38/x
  3. Step 3: Cross multiply
    7,896.42x = 11,844.60 × 3,215.38
  4. Step 4: Simplify right side
    7,896.42x = 38,084,927.24
  5. Step 5: Solve for x
    x = 38,084,927.24/7,896.42
  6. Step 6: Final answer
    x = 4,823.06

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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.