Home / 8,606.35-11,876.82-5,620.42

Finding the Fourth Proportional to 8,606.35, 11,876.82 and 5,620.42

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Solution

The fourth proportional to 8,606.35, 11,876.82 and 5,620.42 is: 7,756.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.35 : 11,876.82 = 5,620.42 : x
  2. Step 2: Convert to fraction form
    8,606.35/11,876.82 = 5,620.42/x
  3. Step 3: Cross multiply
    8,606.35x = 11,876.82 × 5,620.42
  4. Step 4: Simplify right side
    8,606.35x = 66,752,657.28
  5. Step 5: Solve for x
    x = 66,752,657.28/8,606.35
  6. Step 6: Final answer
    x = 7,756.21

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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.