Home / 4,125.81-6,189.59-1,203.87

Finding the Fourth Proportional to 4,125.81, 6,189.59 and 1,203.87

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Solution

The fourth proportional to 4,125.81, 6,189.59 and 1,203.87 is: 1,806.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.81 : 6,189.59 = 1,203.87 : x
  2. Step 2: Convert to fraction form
    4,125.81/6,189.59 = 1,203.87/x
  3. Step 3: Cross multiply
    4,125.81x = 6,189.59 × 1,203.87
  4. Step 4: Simplify right side
    4,125.81x = 7,451,461.71
  5. Step 5: Solve for x
    x = 7,451,461.71/4,125.81
  6. Step 6: Final answer
    x = 1,806.06

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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.