Home / 4,081.80-6,122.70-4,038.60

Finding the Fourth Proportional to 4,081.80, 6,122.70 and 4,038.60

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Solution

The fourth proportional to 4,081.80, 6,122.70 and 4,038.60 is: 6,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.80 : 6,122.70 = 4,038.60 : x
  2. Step 2: Convert to fraction form
    4,081.80/6,122.70 = 4,038.60/x
  3. Step 3: Cross multiply
    4,081.80x = 6,122.70 × 4,038.60
  4. Step 4: Simplify right side
    4,081.80x = 24,727,136.22
  5. Step 5: Solve for x
    x = 24,727,136.22/4,081.80
  6. Step 6: Final answer
    x = 6,057.90

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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.