Home / 7,172.15-10,754.06-2,784.48

Finding the Fourth Proportional to 7,172.15, 10,754.06 and 2,784.48

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Solution

The fourth proportional to 7,172.15, 10,754.06 and 2,784.48 is: 4,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.15 : 10,754.06 = 2,784.48 : x
  2. Step 2: Convert to fraction form
    7,172.15/10,754.06 = 2,784.48/x
  3. Step 3: Cross multiply
    7,172.15x = 10,754.06 × 2,784.48
  4. Step 4: Simplify right side
    7,172.15x = 29,944,451.07
  5. Step 5: Solve for x
    x = 29,944,451.07/7,172.15
  6. Step 6: Final answer
    x = 4,175.10

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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.