Home / 7,990.37-11,970.97-4,462.01

Finding the Fourth Proportional to 7,990.37, 11,970.97 and 4,462.01

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Solution

The fourth proportional to 7,990.37, 11,970.97 and 4,462.01 is: 6,684.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.37 : 11,970.97 = 4,462.01 : x
  2. Step 2: Convert to fraction form
    7,990.37/11,970.97 = 4,462.01/x
  3. Step 3: Cross multiply
    7,990.37x = 11,970.97 × 4,462.01
  4. Step 4: Simplify right side
    7,990.37x = 53,414,516.84
  5. Step 5: Solve for x
    x = 53,414,516.84/7,990.37
  6. Step 6: Final answer
    x = 6,684.87

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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.