Home / 4,284.75-6,423.99-2,894.64

Finding the Fourth Proportional to 4,284.75, 6,423.99 and 2,894.64

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Solution

The fourth proportional to 4,284.75, 6,423.99 and 2,894.64 is: 4,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.75 : 6,423.99 = 2,894.64 : x
  2. Step 2: Convert to fraction form
    4,284.75/6,423.99 = 2,894.64/x
  3. Step 3: Cross multiply
    4,284.75x = 6,423.99 × 2,894.64
  4. Step 4: Simplify right side
    4,284.75x = 18,595,138.41
  5. Step 5: Solve for x
    x = 18,595,138.41/4,284.75
  6. Step 6: Final answer
    x = 4,339.84

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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.