Home / 8,039.66-11,091.02-5,207.97

Finding the Fourth Proportional to 8,039.66, 11,091.02 and 5,207.97

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Solution

The fourth proportional to 8,039.66, 11,091.02 and 5,207.97 is: 7,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,039.66 : 11,091.02 = 5,207.97 : x
  2. Step 2: Convert to fraction form
    8,039.66/11,091.02 = 5,207.97/x
  3. Step 3: Cross multiply
    8,039.66x = 11,091.02 × 5,207.97
  4. Step 4: Simplify right side
    8,039.66x = 57,761,714.98
  5. Step 5: Solve for x
    x = 57,761,714.98/8,039.66
  6. Step 6: Final answer
    x = 7,184.60

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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.