Home / 6,930.15-10,393.70-1,998.72

Finding the Fourth Proportional to 6,930.15, 10,393.70 and 1,998.72

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Solution

The fourth proportional to 6,930.15, 10,393.70 and 1,998.72 is: 2,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.15 : 10,393.70 = 1,998.72 : x
  2. Step 2: Convert to fraction form
    6,930.15/10,393.70 = 1,998.72/x
  3. Step 3: Cross multiply
    6,930.15x = 10,393.70 × 1,998.72
  4. Step 4: Simplify right side
    6,930.15x = 20,774,086.07
  5. Step 5: Solve for x
    x = 20,774,086.07/6,930.15
  6. Step 6: Final answer
    x = 2,997.64

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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.