Home / 6,106.80-9,161.60-2,211.21

Finding the Fourth Proportional to 6,106.80, 9,161.60 and 2,211.21

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Solution

The fourth proportional to 6,106.80, 9,161.60 and 2,211.21 is: 3,317.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,106.80 : 9,161.60 = 2,211.21 : x
  2. Step 2: Convert to fraction form
    6,106.80/9,161.60 = 2,211.21/x
  3. Step 3: Cross multiply
    6,106.80x = 9,161.60 × 2,211.21
  4. Step 4: Simplify right side
    6,106.80x = 20,258,210.48
  5. Step 5: Solve for x
    x = 20,258,210.48/6,106.80
  6. Step 6: Final answer
    x = 3,317.32

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1.5x scale

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.