Home / 6,630.95-9,940.84-2,879.91

Finding the Fourth Proportional to 6,630.95, 9,940.84 and 2,879.91

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Solution

The fourth proportional to 6,630.95, 9,940.84 and 2,879.91 is: 4,317.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.95 : 9,940.84 = 2,879.91 : x
  2. Step 2: Convert to fraction form
    6,630.95/9,940.84 = 2,879.91/x
  3. Step 3: Cross multiply
    6,630.95x = 9,940.84 × 2,879.91
  4. Step 4: Simplify right side
    6,630.95x = 28,628,717.32
  5. Step 5: Solve for x
    x = 28,628,717.32/6,630.95
  6. Step 6: Final answer
    x = 4,317.44

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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.