Home / 3,911.24-5,867.43-1,137.55

Finding the Fourth Proportional to 3,911.24, 5,867.43 and 1,137.55

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Solution

The fourth proportional to 3,911.24, 5,867.43 and 1,137.55 is: 1,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.24 : 5,867.43 = 1,137.55 : x
  2. Step 2: Convert to fraction form
    3,911.24/5,867.43 = 1,137.55/x
  3. Step 3: Cross multiply
    3,911.24x = 5,867.43 × 1,137.55
  4. Step 4: Simplify right side
    3,911.24x = 6,674,509.67
  5. Step 5: Solve for x
    x = 6,674,509.67/3,911.24
  6. Step 6: Final answer
    x = 1,706.49

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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.