Home / 4,859.61-6,704.17-3,178.09

Finding the Fourth Proportional to 4,859.61, 6,704.17 and 3,178.09

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Solution

The fourth proportional to 4,859.61, 6,704.17 and 3,178.09 is: 4,384.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.61 : 6,704.17 = 3,178.09 : x
  2. Step 2: Convert to fraction form
    4,859.61/6,704.17 = 3,178.09/x
  3. Step 3: Cross multiply
    4,859.61x = 6,704.17 × 3,178.09
  4. Step 4: Simplify right side
    4,859.61x = 21,306,418.36
  5. Step 5: Solve for x
    x = 21,306,418.36/4,859.61
  6. Step 6: Final answer
    x = 4,384.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.