Home / 8,127.44-12,175.60-4,830.52

Finding the Fourth Proportional to 8,127.44, 12,175.60 and 4,830.52

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Solution

The fourth proportional to 8,127.44, 12,175.60 and 4,830.52 is: 7,236.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.44 : 12,175.60 = 4,830.52 : x
  2. Step 2: Convert to fraction form
    8,127.44/12,175.60 = 4,830.52/x
  3. Step 3: Cross multiply
    8,127.44x = 12,175.60 × 4,830.52
  4. Step 4: Simplify right side
    8,127.44x = 58,814,479.31
  5. Step 5: Solve for x
    x = 58,814,479.31/8,127.44
  6. Step 6: Final answer
    x = 7,236.53

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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.