Home / 4,255.69-6,384.32-1,915.75

Finding the Fourth Proportional to 4,255.69, 6,384.32 and 1,915.75

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Solution

The fourth proportional to 4,255.69, 6,384.32 and 1,915.75 is: 2,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.69 : 6,384.32 = 1,915.75 : x
  2. Step 2: Convert to fraction form
    4,255.69/6,384.32 = 1,915.75/x
  3. Step 3: Cross multiply
    4,255.69x = 6,384.32 × 1,915.75
  4. Step 4: Simplify right side
    4,255.69x = 12,230,766.63
  5. Step 5: Solve for x
    x = 12,230,766.63/4,255.69
  6. Step 6: Final answer
    x = 2,873.98

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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.