Home / 8,577.26-12,865.90-3,383

Finding the Fourth Proportional to 8,577.26, 12,865.90 and 3,383

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Solution

The fourth proportional to 8,577.26, 12,865.90 and 3,383 is: 5,074.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.26 : 12,865.90 = 3,383 : x
  2. Step 2: Convert to fraction form
    8,577.26/12,865.90 = 3,383/x
  3. Step 3: Cross multiply
    8,577.26x = 12,865.90 × 3,383
  4. Step 4: Simplify right side
    8,577.26x = 43,525,339.70
  5. Step 5: Solve for x
    x = 43,525,339.70/8,577.26
  6. Step 6: Final answer
    x = 5,074.50

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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.