Home / 6,450.78-9,671.85-2,006.94

Finding the Fourth Proportional to 6,450.78, 9,671.85 and 2,006.94

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Solution

The fourth proportional to 6,450.78, 9,671.85 and 2,006.94 is: 3,009.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.78 : 9,671.85 = 2,006.94 : x
  2. Step 2: Convert to fraction form
    6,450.78/9,671.85 = 2,006.94/x
  3. Step 3: Cross multiply
    6,450.78x = 9,671.85 × 2,006.94
  4. Step 4: Simplify right side
    6,450.78x = 19,410,822.64
  5. Step 5: Solve for x
    x = 19,410,822.64/6,450.78
  6. Step 6: Final answer
    x = 3,009.07

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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.