Home / 8,716.92-12,028.85-4,738

Finding the Fourth Proportional to 8,716.92, 12,028.85 and 4,738

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Solution

The fourth proportional to 8,716.92, 12,028.85 and 4,738 is: 6,538.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.92 : 12,028.85 = 4,738 : x
  2. Step 2: Convert to fraction form
    8,716.92/12,028.85 = 4,738/x
  3. Step 3: Cross multiply
    8,716.92x = 12,028.85 × 4,738
  4. Step 4: Simplify right side
    8,716.92x = 56,992,691.30
  5. Step 5: Solve for x
    x = 56,992,691.30/8,716.92
  6. Step 6: Final answer
    x = 6,538.17

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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.