Home / 4,127.50-6,190.03-1,205.11

Finding the Fourth Proportional to 4,127.50, 6,190.03 and 1,205.11

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Solution

The fourth proportional to 4,127.50, 6,190.03 and 1,205.11 is: 1,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.50 : 6,190.03 = 1,205.11 : x
  2. Step 2: Convert to fraction form
    4,127.50/6,190.03 = 1,205.11/x
  3. Step 3: Cross multiply
    4,127.50x = 6,190.03 × 1,205.11
  4. Step 4: Simplify right side
    4,127.50x = 7,459,667.05
  5. Step 5: Solve for x
    x = 7,459,667.05/4,127.50
  6. Step 6: Final answer
    x = 1,807.31

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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.