Home / 8,385.88-12,580.60-2,838.96

Finding the Fourth Proportional to 8,385.88, 12,580.60 and 2,838.96

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Solution

The fourth proportional to 8,385.88, 12,580.60 and 2,838.96 is: 4,259.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.88 : 12,580.60 = 2,838.96 : x
  2. Step 2: Convert to fraction form
    8,385.88/12,580.60 = 2,838.96/x
  3. Step 3: Cross multiply
    8,385.88x = 12,580.60 × 2,838.96
  4. Step 4: Simplify right side
    8,385.88x = 35,715,820.18
  5. Step 5: Solve for x
    x = 35,715,820.18/8,385.88
  6. Step 6: Final answer
    x = 4,259.04

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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.