Home / 8,060.06-11,116.47-6,660.38

Finding the Fourth Proportional to 8,060.06, 11,116.47 and 6,660.38

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Solution

The fourth proportional to 8,060.06, 11,116.47 and 6,660.38 is: 9,186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,060.06 : 11,116.47 = 6,660.38 : x
  2. Step 2: Convert to fraction form
    8,060.06/11,116.47 = 6,660.38/x
  3. Step 3: Cross multiply
    8,060.06x = 11,116.47 × 6,660.38
  4. Step 4: Simplify right side
    8,060.06x = 74,039,914.46
  5. Step 5: Solve for x
    x = 74,039,914.46/8,060.06
  6. Step 6: Final answer
    x = 9,186.03

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Half scale
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Double scale
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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.