Home / 4,078.74-6,118.29-4,072.98

Finding the Fourth Proportional to 4,078.74, 6,118.29 and 4,072.98

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Solution

The fourth proportional to 4,078.74, 6,118.29 and 4,072.98 is: 6,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.74 : 6,118.29 = 4,072.98 : x
  2. Step 2: Convert to fraction form
    4,078.74/6,118.29 = 4,072.98/x
  3. Step 3: Cross multiply
    4,078.74x = 6,118.29 × 4,072.98
  4. Step 4: Simplify right side
    4,078.74x = 24,919,672.80
  5. Step 5: Solve for x
    x = 24,919,672.80/4,078.74
  6. Step 6: Final answer
    x = 6,109.65

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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.