Home / 8,584.08-12,876.48-3,390

Finding the Fourth Proportional to 8,584.08, 12,876.48 and 3,390

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Solution

The fourth proportional to 8,584.08, 12,876.48 and 3,390 is: 5,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.08 : 12,876.48 = 3,390 : x
  2. Step 2: Convert to fraction form
    8,584.08/12,876.48 = 3,390/x
  3. Step 3: Cross multiply
    8,584.08x = 12,876.48 × 3,390
  4. Step 4: Simplify right side
    8,584.08x = 43,651,267.20
  5. Step 5: Solve for x
    x = 43,651,267.20/8,584.08
  6. Step 6: Final answer
    x = 5,085.14

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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.