Home / 4,300.66-6,438.03-3,147.22

Finding the Fourth Proportional to 4,300.66, 6,438.03 and 3,147.22

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Solution

The fourth proportional to 4,300.66, 6,438.03 and 3,147.22 is: 4,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,300.66 : 6,438.03 = 3,147.22 : x
  2. Step 2: Convert to fraction form
    4,300.66/6,438.03 = 3,147.22/x
  3. Step 3: Cross multiply
    4,300.66x = 6,438.03 × 3,147.22
  4. Step 4: Simplify right side
    4,300.66x = 20,261,896.78
  5. Step 5: Solve for x
    x = 20,261,896.78/4,300.66
  6. Step 6: Final answer
    x = 4,711.35

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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.