Home / 8,116.96-11,207.28-5,330.56

Finding the Fourth Proportional to 8,116.96, 11,207.28 and 5,330.56

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Solution

The fourth proportional to 8,116.96, 11,207.28 and 5,330.56 is: 7,360.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.96 : 11,207.28 = 5,330.56 : x
  2. Step 2: Convert to fraction form
    8,116.96/11,207.28 = 5,330.56/x
  3. Step 3: Cross multiply
    8,116.96x = 11,207.28 × 5,330.56
  4. Step 4: Simplify right side
    8,116.96x = 59,741,078.48
  5. Step 5: Solve for x
    x = 59,741,078.48/8,116.96
  6. Step 6: Final answer
    x = 7,360.03

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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.