Home / 6,486.41-9,730.46-2,102.38

Finding the Fourth Proportional to 6,486.41, 9,730.46 and 2,102.38

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Solution

The fourth proportional to 6,486.41, 9,730.46 and 2,102.38 is: 3,153.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486.41 : 9,730.46 = 2,102.38 : x
  2. Step 2: Convert to fraction form
    6,486.41/9,730.46 = 2,102.38/x
  3. Step 3: Cross multiply
    6,486.41x = 9,730.46 × 2,102.38
  4. Step 4: Simplify right side
    6,486.41x = 20,457,105.42
  5. Step 5: Solve for x
    x = 20,457,105.42/6,486.41
  6. Step 6: Final answer
    x = 3,153.84

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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.