Home / 8,791.22-12,126.29-6,137.66

Finding the Fourth Proportional to 8,791.22, 12,126.29 and 6,137.66

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Solution

The fourth proportional to 8,791.22, 12,126.29 and 6,137.66 is: 8,466.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.22 : 12,126.29 = 6,137.66 : x
  2. Step 2: Convert to fraction form
    8,791.22/12,126.29 = 6,137.66/x
  3. Step 3: Cross multiply
    8,791.22x = 12,126.29 × 6,137.66
  4. Step 4: Simplify right side
    8,791.22x = 74,427,014.39
  5. Step 5: Solve for x
    x = 74,427,014.39/8,791.22
  6. Step 6: Final answer
    x = 8,466.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.