Home / 8,135.89-11,227.55-4,409.89

Finding the Fourth Proportional to 8,135.89, 11,227.55 and 4,409.89

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Solution

The fourth proportional to 8,135.89, 11,227.55 and 4,409.89 is: 6,085.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.89 : 11,227.55 = 4,409.89 : x
  2. Step 2: Convert to fraction form
    8,135.89/11,227.55 = 4,409.89/x
  3. Step 3: Cross multiply
    8,135.89x = 11,227.55 × 4,409.89
  4. Step 4: Simplify right side
    8,135.89x = 49,512,260.47
  5. Step 5: Solve for x
    x = 49,512,260.47/8,135.89
  6. Step 6: Final answer
    x = 6,085.66

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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.