Home / 8,119.96-11,211.42-5,333.56

Finding the Fourth Proportional to 8,119.96, 11,211.42 and 5,333.56

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Solution

The fourth proportional to 8,119.96, 11,211.42 and 5,333.56 is: 7,364.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.96 : 11,211.42 = 5,333.56 : x
  2. Step 2: Convert to fraction form
    8,119.96/11,211.42 = 5,333.56/x
  3. Step 3: Cross multiply
    8,119.96x = 11,211.42 × 5,333.56
  4. Step 4: Simplify right side
    8,119.96x = 59,796,781.26
  5. Step 5: Solve for x
    x = 59,796,781.26/8,119.96
  6. Step 6: Final answer
    x = 7,364.17

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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.