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Finding the Fourth Proportional to 7,322.81, 10,982.99 and 2,392.49

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Solution

The fourth proportional to 7,322.81, 10,982.99 and 2,392.49 is: 3,588.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.81 : 10,982.99 = 2,392.49 : x
  2. Step 2: Convert to fraction form
    7,322.81/10,982.99 = 2,392.49/x
  3. Step 3: Cross multiply
    7,322.81x = 10,982.99 × 2,392.49
  4. Step 4: Simplify right side
    7,322.81x = 26,276,665.40
  5. Step 5: Solve for x
    x = 26,276,665.40/7,322.81
  6. Step 6: Final answer
    x = 3,588.33

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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.