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Finding the Fourth Proportional to 7,331.49, 10,997.08 and 1,784.87

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Solution

The fourth proportional to 7,331.49, 10,997.08 and 1,784.87 is: 2,677.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.49 : 10,997.08 = 1,784.87 : x
  2. Step 2: Convert to fraction form
    7,331.49/10,997.08 = 1,784.87/x
  3. Step 3: Cross multiply
    7,331.49x = 10,997.08 × 1,784.87
  4. Step 4: Simplify right side
    7,331.49x = 19,628,358.18
  5. Step 5: Solve for x
    x = 19,628,358.18/7,331.49
  6. Step 6: Final answer
    x = 2,677.27

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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.