Home / 6,456.78-9,692.46-2,563.92

Finding the Fourth Proportional to 6,456.78, 9,692.46 and 2,563.92

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Solution

The fourth proportional to 6,456.78, 9,692.46 and 2,563.92 is: 3,848.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.78 : 9,692.46 = 2,563.92 : x
  2. Step 2: Convert to fraction form
    6,456.78/9,692.46 = 2,563.92/x
  3. Step 3: Cross multiply
    6,456.78x = 9,692.46 × 2,563.92
  4. Step 4: Simplify right side
    6,456.78x = 24,850,692.04
  5. Step 5: Solve for x
    x = 24,850,692.04/6,456.78
  6. Step 6: Final answer
    x = 3,848.77

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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.