Home / 7,355.03-10,149.75-3,997.85

Finding the Fourth Proportional to 7,355.03, 10,149.75 and 3,997.85

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Solution

The fourth proportional to 7,355.03, 10,149.75 and 3,997.85 is: 5,516.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.03 : 10,149.75 = 3,997.85 : x
  2. Step 2: Convert to fraction form
    7,355.03/10,149.75 = 3,997.85/x
  3. Step 3: Cross multiply
    7,355.03x = 10,149.75 × 3,997.85
  4. Step 4: Simplify right side
    7,355.03x = 40,577,127.29
  5. Step 5: Solve for x
    x = 40,577,127.29/7,355.03
  6. Step 6: Final answer
    x = 5,516.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.