Home / 4,292.85-6,438.24-1,172.87

Finding the Fourth Proportional to 4,292.85, 6,438.24 and 1,172.87

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Solution

The fourth proportional to 4,292.85, 6,438.24 and 1,172.87 is: 1,759.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.85 : 6,438.24 = 1,172.87 : x
  2. Step 2: Convert to fraction form
    4,292.85/6,438.24 = 1,172.87/x
  3. Step 3: Cross multiply
    4,292.85x = 6,438.24 × 1,172.87
  4. Step 4: Simplify right side
    4,292.85x = 7,551,246.72
  5. Step 5: Solve for x
    x = 7,551,246.72/4,292.85
  6. Step 6: Final answer
    x = 1,759.03

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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.