Home / 6,690.81-10,035.83-2,010.72

Finding the Fourth Proportional to 6,690.81, 10,035.83 and 2,010.72

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Solution

The fourth proportional to 6,690.81, 10,035.83 and 2,010.72 is: 3,015.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.81 : 10,035.83 = 2,010.72 : x
  2. Step 2: Convert to fraction form
    6,690.81/10,035.83 = 2,010.72/x
  3. Step 3: Cross multiply
    6,690.81x = 10,035.83 × 2,010.72
  4. Step 4: Simplify right side
    6,690.81x = 20,179,234.04
  5. Step 5: Solve for x
    x = 20,179,234.04/6,690.81
  6. Step 6: Final answer
    x = 3,015.96

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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.