Home / 8,180.92-12,269.04-2,985.58

Finding the Fourth Proportional to 8,180.92, 12,269.04 and 2,985.58

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Solution

The fourth proportional to 8,180.92, 12,269.04 and 2,985.58 is: 4,477.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.92 : 12,269.04 = 2,985.58 : x
  2. Step 2: Convert to fraction form
    8,180.92/12,269.04 = 2,985.58/x
  3. Step 3: Cross multiply
    8,180.92x = 12,269.04 × 2,985.58
  4. Step 4: Simplify right side
    8,180.92x = 36,630,200.44
  5. Step 5: Solve for x
    x = 36,630,200.44/8,180.92
  6. Step 6: Final answer
    x = 4,477.52

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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.