Home / 8,354.16-12,529.86-3,091.64

Finding the Fourth Proportional to 8,354.16, 12,529.86 and 3,091.64

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Solution

The fourth proportional to 8,354.16, 12,529.86 and 3,091.64 is: 4,636.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.16 : 12,529.86 = 3,091.64 : x
  2. Step 2: Convert to fraction form
    8,354.16/12,529.86 = 3,091.64/x
  3. Step 3: Cross multiply
    8,354.16x = 12,529.86 × 3,091.64
  4. Step 4: Simplify right side
    8,354.16x = 38,737,816.37
  5. Step 5: Solve for x
    x = 38,737,816.37/8,354.16
  6. Step 6: Final answer
    x = 4,636.95

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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.