Home / 8,065.67-11,127.89-5,236.58

Finding the Fourth Proportional to 8,065.67, 11,127.89 and 5,236.58

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Solution

The fourth proportional to 8,065.67, 11,127.89 and 5,236.58 is: 7,224.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.67 : 11,127.89 = 5,236.58 : x
  2. Step 2: Convert to fraction form
    8,065.67/11,127.89 = 5,236.58/x
  3. Step 3: Cross multiply
    8,065.67x = 11,127.89 × 5,236.58
  4. Step 4: Simplify right side
    8,065.67x = 58,272,127.13
  5. Step 5: Solve for x
    x = 58,272,127.13/8,065.67
  6. Step 6: Final answer
    x = 7,224.71

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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.