Home / 8,647.27-12,958.75-4,943.95

Finding the Fourth Proportional to 8,647.27, 12,958.75 and 4,943.95

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Solution

The fourth proportional to 8,647.27, 12,958.75 and 4,943.95 is: 7,408.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647.27 : 12,958.75 = 4,943.95 : x
  2. Step 2: Convert to fraction form
    8,647.27/12,958.75 = 4,943.95/x
  3. Step 3: Cross multiply
    8,647.27x = 12,958.75 × 4,943.95
  4. Step 4: Simplify right side
    8,647.27x = 64,067,322.55
  5. Step 5: Solve for x
    x = 64,067,322.55/8,647.27
  6. Step 6: Final answer
    x = 7,408.97

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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.