Home / 7,974.37-11,019.80-5,981.46

Finding the Fourth Proportional to 7,974.37, 11,019.80 and 5,981.46

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Solution

The fourth proportional to 7,974.37, 11,019.80 and 5,981.46 is: 8,265.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.37 : 11,019.80 = 5,981.46 : x
  2. Step 2: Convert to fraction form
    7,974.37/11,019.80 = 5,981.46/x
  3. Step 3: Cross multiply
    7,974.37x = 11,019.80 × 5,981.46
  4. Step 4: Simplify right side
    7,974.37x = 65,914,494.88
  5. Step 5: Solve for x
    x = 65,914,494.88/7,974.37
  6. Step 6: Final answer
    x = 8,265.80

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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.