Home / 4,197.90-6,297.76-1,276.44

Finding the Fourth Proportional to 4,197.90, 6,297.76 and 1,276.44

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Solution

The fourth proportional to 4,197.90, 6,297.76 and 1,276.44 is: 1,914.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,197.90 : 6,297.76 = 1,276.44 : x
  2. Step 2: Convert to fraction form
    4,197.90/6,297.76 = 1,276.44/x
  3. Step 3: Cross multiply
    4,197.90x = 6,297.76 × 1,276.44
  4. Step 4: Simplify right side
    4,197.90x = 8,038,712.77
  5. Step 5: Solve for x
    x = 8,038,712.77/4,197.90
  6. Step 6: Final answer
    x = 1,914.94

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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.