Home / 7,209.40-10,812.73-3,052.32

Finding the Fourth Proportional to 7,209.40, 10,812.73 and 3,052.32

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Solution

The fourth proportional to 7,209.40, 10,812.73 and 3,052.32 is: 4,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.40 : 10,812.73 = 3,052.32 : x
  2. Step 2: Convert to fraction form
    7,209.40/10,812.73 = 3,052.32/x
  3. Step 3: Cross multiply
    7,209.40x = 10,812.73 × 3,052.32
  4. Step 4: Simplify right side
    7,209.40x = 33,003,912.03
  5. Step 5: Solve for x
    x = 33,003,912.03/7,209.40
  6. Step 6: Final answer
    x = 4,577.90

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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.