Home / 8,634.60-12,953.52-2,791.26

Finding the Fourth Proportional to 8,634.60, 12,953.52 and 2,791.26

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Solution

The fourth proportional to 8,634.60, 12,953.52 and 2,791.26 is: 4,187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.60 : 12,953.52 = 2,791.26 : x
  2. Step 2: Convert to fraction form
    8,634.60/12,953.52 = 2,791.26/x
  3. Step 3: Cross multiply
    8,634.60x = 12,953.52 × 2,791.26
  4. Step 4: Simplify right side
    8,634.60x = 36,156,642.24
  5. Step 5: Solve for x
    x = 36,156,642.24/8,634.60
  6. Step 6: Final answer
    x = 4,187.41

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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.