Home / 7,145.96-10,722.54-2,529.32

Finding the Fourth Proportional to 7,145.96, 10,722.54 and 2,529.32

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Solution

The fourth proportional to 7,145.96, 10,722.54 and 2,529.32 is: 3,795.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145.96 : 10,722.54 = 2,529.32 : x
  2. Step 2: Convert to fraction form
    7,145.96/10,722.54 = 2,529.32/x
  3. Step 3: Cross multiply
    7,145.96x = 10,722.54 × 2,529.32
  4. Step 4: Simplify right side
    7,145.96x = 27,120,734.87
  5. Step 5: Solve for x
    x = 27,120,734.87/7,145.96
  6. Step 6: Final answer
    x = 3,795.25

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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.