Home / 8,110.85-11,188.95-5,238.59

Finding the Fourth Proportional to 8,110.85, 11,188.95 and 5,238.59

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Solution

The fourth proportional to 8,110.85, 11,188.95 and 5,238.59 is: 7,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.85 : 11,188.95 = 5,238.59 : x
  2. Step 2: Convert to fraction form
    8,110.85/11,188.95 = 5,238.59/x
  3. Step 3: Cross multiply
    8,110.85x = 11,188.95 × 5,238.59
  4. Step 4: Simplify right side
    8,110.85x = 58,614,321.58
  5. Step 5: Solve for x
    x = 58,614,321.58/8,110.85
  6. Step 6: Final answer
    x = 7,226.66

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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.