Home / 4,288.72-6,433.88-1,367.76

Finding the Fourth Proportional to 4,288.72, 6,433.88 and 1,367.76

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Solution

The fourth proportional to 4,288.72, 6,433.88 and 1,367.76 is: 2,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.72 : 6,433.88 = 1,367.76 : x
  2. Step 2: Convert to fraction form
    4,288.72/6,433.88 = 1,367.76/x
  3. Step 3: Cross multiply
    4,288.72x = 6,433.88 × 1,367.76
  4. Step 4: Simplify right side
    4,288.72x = 8,800,003.71
  5. Step 5: Solve for x
    x = 8,800,003.71/4,288.72
  6. Step 6: Final answer
    x = 2,051.90

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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.