Home / 4,981.03-7,474.07-3,131.83

Finding the Fourth Proportional to 4,981.03, 7,474.07 and 3,131.83

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Solution

The fourth proportional to 4,981.03, 7,474.07 and 3,131.83 is: 4,699.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.03 : 7,474.07 = 3,131.83 : x
  2. Step 2: Convert to fraction form
    4,981.03/7,474.07 = 3,131.83/x
  3. Step 3: Cross multiply
    4,981.03x = 7,474.07 × 3,131.83
  4. Step 4: Simplify right side
    4,981.03x = 23,407,516.65
  5. Step 5: Solve for x
    x = 23,407,516.65/4,981.03
  6. Step 6: Final answer
    x = 4,699.33

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1.5x scale

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.