Home / 8,234.64-11,351.88-5,085.36

Finding the Fourth Proportional to 8,234.64, 11,351.88 and 5,085.36

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Solution

The fourth proportional to 8,234.64, 11,351.88 and 5,085.36 is: 7,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.64 : 11,351.88 = 5,085.36 : x
  2. Step 2: Convert to fraction form
    8,234.64/11,351.88 = 5,085.36/x
  3. Step 3: Cross multiply
    8,234.64x = 11,351.88 × 5,085.36
  4. Step 4: Simplify right side
    8,234.64x = 57,728,396.48
  5. Step 5: Solve for x
    x = 57,728,396.48/8,234.64
  6. Step 6: Final answer
    x = 7,010.43

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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.