Home / 4,077.61-6,112.77-1,996.32

Finding the Fourth Proportional to 4,077.61, 6,112.77 and 1,996.32

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Solution

The fourth proportional to 4,077.61, 6,112.77 and 1,996.32 is: 2,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.61 : 6,112.77 = 1,996.32 : x
  2. Step 2: Convert to fraction form
    4,077.61/6,112.77 = 1,996.32/x
  3. Step 3: Cross multiply
    4,077.61x = 6,112.77 × 1,996.32
  4. Step 4: Simplify right side
    4,077.61x = 12,203,045.01
  5. Step 5: Solve for x
    x = 12,203,045.01/4,077.61
  6. Step 6: Final answer
    x = 2,992.70

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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.