Home / 6,789.42-10,181.09-2,405.70

Finding the Fourth Proportional to 6,789.42, 10,181.09 and 2,405.70

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Solution

The fourth proportional to 6,789.42, 10,181.09 and 2,405.70 is: 3,607.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.42 : 10,181.09 = 2,405.70 : x
  2. Step 2: Convert to fraction form
    6,789.42/10,181.09 = 2,405.70/x
  3. Step 3: Cross multiply
    6,789.42x = 10,181.09 × 2,405.70
  4. Step 4: Simplify right side
    6,789.42x = 24,492,654.23
  5. Step 5: Solve for x
    x = 24,492,654.23/6,789.42
  6. Step 6: Final answer
    x = 3,607.47

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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.