Home / 4,288.79-6,434.18-1,823.69

Finding the Fourth Proportional to 4,288.79, 6,434.18 and 1,823.69

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Solution

The fourth proportional to 4,288.79, 6,434.18 and 1,823.69 is: 2,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.79 : 6,434.18 = 1,823.69 : x
  2. Step 2: Convert to fraction form
    4,288.79/6,434.18 = 1,823.69/x
  3. Step 3: Cross multiply
    4,288.79x = 6,434.18 × 1,823.69
  4. Step 4: Simplify right side
    4,288.79x = 11,733,949.72
  5. Step 5: Solve for x
    x = 11,733,949.72/4,288.79
  6. Step 6: Final answer
    x = 2,735.96

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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.