Home / 4,120.98-6,182.55-1,813.02

Finding the Fourth Proportional to 4,120.98, 6,182.55 and 1,813.02

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Solution

The fourth proportional to 4,120.98, 6,182.55 and 1,813.02 is: 2,720.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.98 : 6,182.55 = 1,813.02 : x
  2. Step 2: Convert to fraction form
    4,120.98/6,182.55 = 1,813.02/x
  3. Step 3: Cross multiply
    4,120.98x = 6,182.55 × 1,813.02
  4. Step 4: Simplify right side
    4,120.98x = 11,209,086.80
  5. Step 5: Solve for x
    x = 11,209,086.80/4,120.98
  6. Step 6: Final answer
    x = 2,720.01

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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.