Home / 7,143.35-10,716.03-2,213.37

Finding the Fourth Proportional to 7,143.35, 10,716.03 and 2,213.37

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Solution

The fourth proportional to 7,143.35, 10,716.03 and 2,213.37 is: 3,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143.35 : 10,716.03 = 2,213.37 : x
  2. Step 2: Convert to fraction form
    7,143.35/10,716.03 = 2,213.37/x
  3. Step 3: Cross multiply
    7,143.35x = 10,716.03 × 2,213.37
  4. Step 4: Simplify right side
    7,143.35x = 23,718,539.32
  5. Step 5: Solve for x
    x = 23,718,539.32/7,143.35
  6. Step 6: Final answer
    x = 3,320.37

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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.