Home / 8,376.84-12,568.55-3,694.32

Finding the Fourth Proportional to 8,376.84, 12,568.55 and 3,694.32

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Solution

The fourth proportional to 8,376.84, 12,568.55 and 3,694.32 is: 5,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.84 : 12,568.55 = 3,694.32 : x
  2. Step 2: Convert to fraction form
    8,376.84/12,568.55 = 3,694.32/x
  3. Step 3: Cross multiply
    8,376.84x = 12,568.55 × 3,694.32
  4. Step 4: Simplify right side
    8,376.84x = 46,432,245.64
  5. Step 5: Solve for x
    x = 46,432,245.64/8,376.84
  6. Step 6: Final answer
    x = 5,542.93

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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.