Home / 4,267.20-6,389.26-2,210.88

Finding the Fourth Proportional to 4,267.20, 6,389.26 and 2,210.88

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Solution

The fourth proportional to 4,267.20, 6,389.26 and 2,210.88 is: 3,310.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.20 : 6,389.26 = 2,210.88 : x
  2. Step 2: Convert to fraction form
    4,267.20/6,389.26 = 2,210.88/x
  3. Step 3: Cross multiply
    4,267.20x = 6,389.26 × 2,210.88
  4. Step 4: Simplify right side
    4,267.20x = 14,125,887.15
  5. Step 5: Solve for x
    x = 14,125,887.15/4,267.20
  6. Step 6: Final answer
    x = 3,310.34

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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.