Home / 4,216.06-5,819.10-2,818

Finding the Fourth Proportional to 4,216.06, 5,819.10 and 2,818

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Solution

The fourth proportional to 4,216.06, 5,819.10 and 2,818 is: 3,889.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.06 : 5,819.10 = 2,818 : x
  2. Step 2: Convert to fraction form
    4,216.06/5,819.10 = 2,818/x
  3. Step 3: Cross multiply
    4,216.06x = 5,819.10 × 2,818
  4. Step 4: Simplify right side
    4,216.06x = 16,398,223.80
  5. Step 5: Solve for x
    x = 16,398,223.80/4,216.06
  6. Step 6: Final answer
    x = 3,889.47

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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.