Home / 4,126.80-6,190.26-1,205.02

Finding the Fourth Proportional to 4,126.80, 6,190.26 and 1,205.02

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Solution

The fourth proportional to 4,126.80, 6,190.26 and 1,205.02 is: 1,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.80 : 6,190.26 = 1,205.02 : x
  2. Step 2: Convert to fraction form
    4,126.80/6,190.26 = 1,205.02/x
  3. Step 3: Cross multiply
    4,126.80x = 6,190.26 × 1,205.02
  4. Step 4: Simplify right side
    4,126.80x = 7,459,387.11
  5. Step 5: Solve for x
    x = 7,459,387.11/4,126.80
  6. Step 6: Final answer
    x = 1,807.55

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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.