Home / 8,076.34-12,115.42-3,692.62

Finding the Fourth Proportional to 8,076.34, 12,115.42 and 3,692.62

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Solution

The fourth proportional to 8,076.34, 12,115.42 and 3,692.62 is: 5,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.34 : 12,115.42 = 3,692.62 : x
  2. Step 2: Convert to fraction form
    8,076.34/12,115.42 = 3,692.62/x
  3. Step 3: Cross multiply
    8,076.34x = 12,115.42 × 3,692.62
  4. Step 4: Simplify right side
    8,076.34x = 44,737,642.20
  5. Step 5: Solve for x
    x = 44,737,642.20/8,076.34
  6. Step 6: Final answer
    x = 5,539.35

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1.5x scale

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.