Home / 6,690.88-10,036.43-2,009.89

Finding the Fourth Proportional to 6,690.88, 10,036.43 and 2,009.89

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Solution

The fourth proportional to 6,690.88, 10,036.43 and 2,009.89 is: 3,014.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.88 : 10,036.43 = 2,009.89 : x
  2. Step 2: Convert to fraction form
    6,690.88/10,036.43 = 2,009.89/x
  3. Step 3: Cross multiply
    6,690.88x = 10,036.43 × 2,009.89
  4. Step 4: Simplify right side
    6,690.88x = 20,172,120.29
  5. Step 5: Solve for x
    x = 20,172,120.29/6,690.88
  6. Step 6: Final answer
    x = 3,014.87

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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.