Home / 4,206.33-6,309.50-1,431.68

Finding the Fourth Proportional to 4,206.33, 6,309.50 and 1,431.68

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Solution

The fourth proportional to 4,206.33, 6,309.50 and 1,431.68 is: 2,147.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.33 : 6,309.50 = 1,431.68 : x
  2. Step 2: Convert to fraction form
    4,206.33/6,309.50 = 1,431.68/x
  3. Step 3: Cross multiply
    4,206.33x = 6,309.50 × 1,431.68
  4. Step 4: Simplify right side
    4,206.33x = 9,033,146.25
  5. Step 5: Solve for x
    x = 9,033,146.25/4,206.33
  6. Step 6: Final answer
    x = 2,147.51

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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.