Home / 4,129.81-6,195.27-1,208.07

Finding the Fourth Proportional to 4,129.81, 6,195.27 and 1,208.07

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Solution

The fourth proportional to 4,129.81, 6,195.27 and 1,208.07 is: 1,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.81 : 6,195.27 = 1,208.07 : x
  2. Step 2: Convert to fraction form
    4,129.81/6,195.27 = 1,208.07/x
  3. Step 3: Cross multiply
    4,129.81x = 6,195.27 × 1,208.07
  4. Step 4: Simplify right side
    4,129.81x = 7,484,319.83
  5. Step 5: Solve for x
    x = 7,484,319.83/4,129.81
  6. Step 6: Final answer
    x = 1,812.27

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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.