Home / 7,172.22-10,758.43-1,907.32

Finding the Fourth Proportional to 7,172.22, 10,758.43 and 1,907.32

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Solution

The fourth proportional to 7,172.22, 10,758.43 and 1,907.32 is: 2,861.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.22 : 10,758.43 = 1,907.32 : x
  2. Step 2: Convert to fraction form
    7,172.22/10,758.43 = 1,907.32/x
  3. Step 3: Cross multiply
    7,172.22x = 10,758.43 × 1,907.32
  4. Step 4: Simplify right side
    7,172.22x = 20,519,737.04
  5. Step 5: Solve for x
    x = 20,519,737.04/7,172.22
  6. Step 6: Final answer
    x = 2,861.00

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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.