Home / 6,930.05-10,392.93-1,998.36

Finding the Fourth Proportional to 6,930.05, 10,392.93 and 1,998.36

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Solution

The fourth proportional to 6,930.05, 10,392.93 and 1,998.36 is: 2,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.05 : 10,392.93 = 1,998.36 : x
  2. Step 2: Convert to fraction form
    6,930.05/10,392.93 = 1,998.36/x
  3. Step 3: Cross multiply
    6,930.05x = 10,392.93 × 1,998.36
  4. Step 4: Simplify right side
    6,930.05x = 20,768,815.59
  5. Step 5: Solve for x
    x = 20,768,815.59/6,930.05
  6. Step 6: Final answer
    x = 2,996.92

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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.