Home / 4,072.59-6,106.94-1,990.16

Finding the Fourth Proportional to 4,072.59, 6,106.94 and 1,990.16

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Solution

The fourth proportional to 4,072.59, 6,106.94 and 1,990.16 is: 2,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.59 : 6,106.94 = 1,990.16 : x
  2. Step 2: Convert to fraction form
    4,072.59/6,106.94 = 1,990.16/x
  3. Step 3: Cross multiply
    4,072.59x = 6,106.94 × 1,990.16
  4. Step 4: Simplify right side
    4,072.59x = 12,153,747.22
  5. Step 5: Solve for x
    x = 12,153,747.22/4,072.59
  6. Step 6: Final answer
    x = 2,984.28

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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.