Home / 8,584.26-12,876.84-2,740.40

Finding the Fourth Proportional to 8,584.26, 12,876.84 and 2,740.40

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Solution

The fourth proportional to 8,584.26, 12,876.84 and 2,740.40 is: 4,110.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.26 : 12,876.84 = 2,740.40 : x
  2. Step 2: Convert to fraction form
    8,584.26/12,876.84 = 2,740.40/x
  3. Step 3: Cross multiply
    8,584.26x = 12,876.84 × 2,740.40
  4. Step 4: Simplify right side
    8,584.26x = 35,287,692.34
  5. Step 5: Solve for x
    x = 35,287,692.34/8,584.26
  6. Step 6: Final answer
    x = 4,110.74

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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.