Home / 7,190.08-10,785.72-1,995.96

Finding the Fourth Proportional to 7,190.08, 10,785.72 and 1,995.96

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Solution

The fourth proportional to 7,190.08, 10,785.72 and 1,995.96 is: 2,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.08 : 10,785.72 = 1,995.96 : x
  2. Step 2: Convert to fraction form
    7,190.08/10,785.72 = 1,995.96/x
  3. Step 3: Cross multiply
    7,190.08x = 10,785.72 × 1,995.96
  4. Step 4: Simplify right side
    7,190.08x = 21,527,865.69
  5. Step 5: Solve for x
    x = 21,527,865.69/7,190.08
  6. Step 6: Final answer
    x = 2,994.11

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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.