Home / 8,645.38-12,967.98-2,801.86

Finding the Fourth Proportional to 8,645.38, 12,967.98 and 2,801.86

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Solution

The fourth proportional to 8,645.38, 12,967.98 and 2,801.86 is: 4,202.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645.38 : 12,967.98 = 2,801.86 : x
  2. Step 2: Convert to fraction form
    8,645.38/12,967.98 = 2,801.86/x
  3. Step 3: Cross multiply
    8,645.38x = 12,967.98 × 2,801.86
  4. Step 4: Simplify right side
    8,645.38x = 36,334,464.44
  5. Step 5: Solve for x
    x = 36,334,464.44/8,645.38
  6. Step 6: Final answer
    x = 4,202.76

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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.