Home / 4,126.12-6,190.80-1,816

Finding the Fourth Proportional to 4,126.12, 6,190.80 and 1,816

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Solution

The fourth proportional to 4,126.12, 6,190.80 and 1,816 is: 2,724.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.12 : 6,190.80 = 1,816 : x
  2. Step 2: Convert to fraction form
    4,126.12/6,190.80 = 1,816/x
  3. Step 3: Cross multiply
    4,126.12x = 6,190.80 × 1,816
  4. Step 4: Simplify right side
    4,126.12x = 11,242,492.80
  5. Step 5: Solve for x
    x = 11,242,492.80/4,126.12
  6. Step 6: Final answer
    x = 2,724.71

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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.