Home / 8,161.85-11,263.35-4,435.85

Finding the Fourth Proportional to 8,161.85, 11,263.35 and 4,435.85

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Solution

The fourth proportional to 8,161.85, 11,263.35 and 4,435.85 is: 6,121.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.85 : 11,263.35 = 4,435.85 : x
  2. Step 2: Convert to fraction form
    8,161.85/11,263.35 = 4,435.85/x
  3. Step 3: Cross multiply
    8,161.85x = 11,263.35 × 4,435.85
  4. Step 4: Simplify right side
    8,161.85x = 49,962,452.60
  5. Step 5: Solve for x
    x = 49,962,452.60/8,161.85
  6. Step 6: Final answer
    x = 6,121.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.