Home / 8,344.07-12,511.37-4,391.15

Finding the Fourth Proportional to 8,344.07, 12,511.37 and 4,391.15

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Solution

The fourth proportional to 8,344.07, 12,511.37 and 4,391.15 is: 6,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.07 : 12,511.37 = 4,391.15 : x
  2. Step 2: Convert to fraction form
    8,344.07/12,511.37 = 4,391.15/x
  3. Step 3: Cross multiply
    8,344.07x = 12,511.37 × 4,391.15
  4. Step 4: Simplify right side
    8,344.07x = 54,939,217.86
  5. Step 5: Solve for x
    x = 54,939,217.86/8,344.07
  6. Step 6: Final answer
    x = 6,584.23

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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.