Home / 4,198.75-6,299.51-1,277.07

Finding the Fourth Proportional to 4,198.75, 6,299.51 and 1,277.07

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Solution

The fourth proportional to 4,198.75, 6,299.51 and 1,277.07 is: 1,916.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.75 : 6,299.51 = 1,277.07 : x
  2. Step 2: Convert to fraction form
    4,198.75/6,299.51 = 1,277.07/x
  3. Step 3: Cross multiply
    4,198.75x = 6,299.51 × 1,277.07
  4. Step 4: Simplify right side
    4,198.75x = 8,044,915.24
  5. Step 5: Solve for x
    x = 8,044,915.24/4,198.75
  6. Step 6: Final answer
    x = 1,916.03

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1.5x scale

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.