Home / 7,154.70-10,731.99-2,224.33

Finding the Fourth Proportional to 7,154.70, 10,731.99 and 2,224.33

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Solution

The fourth proportional to 7,154.70, 10,731.99 and 2,224.33 is: 3,336.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.70 : 10,731.99 = 2,224.33 : x
  2. Step 2: Convert to fraction form
    7,154.70/10,731.99 = 2,224.33/x
  3. Step 3: Cross multiply
    7,154.70x = 10,731.99 × 2,224.33
  4. Step 4: Simplify right side
    7,154.70x = 23,871,433.66
  5. Step 5: Solve for x
    x = 23,871,433.66/7,154.70
  6. Step 6: Final answer
    x = 3,336.47

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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.