Home / 7,331.84-10,997.78-1,785.16

Finding the Fourth Proportional to 7,331.84, 10,997.78 and 1,785.16

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Solution

The fourth proportional to 7,331.84, 10,997.78 and 1,785.16 is: 2,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.84 : 10,997.78 = 1,785.16 : x
  2. Step 2: Convert to fraction form
    7,331.84/10,997.78 = 1,785.16/x
  3. Step 3: Cross multiply
    7,331.84x = 10,997.78 × 1,785.16
  4. Step 4: Simplify right side
    7,331.84x = 19,632,796.94
  5. Step 5: Solve for x
    x = 19,632,796.94/7,331.84
  6. Step 6: Final answer
    x = 2,677.74

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.