Home / 8,511.12-12,766.68-3,584.16

Finding the Fourth Proportional to 8,511.12, 12,766.68 and 3,584.16

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Solution

The fourth proportional to 8,511.12, 12,766.68 and 3,584.16 is: 5,376.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.12 : 12,766.68 = 3,584.16 : x
  2. Step 2: Convert to fraction form
    8,511.12/12,766.68 = 3,584.16/x
  3. Step 3: Cross multiply
    8,511.12x = 12,766.68 × 3,584.16
  4. Step 4: Simplify right side
    8,511.12x = 45,757,823.79
  5. Step 5: Solve for x
    x = 45,757,823.79/8,511.12
  6. Step 6: Final answer
    x = 5,376.24

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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.