Home / 4,020.26-6,030.40-2,172.22

Finding the Fourth Proportional to 4,020.26, 6,030.40 and 2,172.22

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Solution

The fourth proportional to 4,020.26, 6,030.40 and 2,172.22 is: 3,258.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.26 : 6,030.40 = 2,172.22 : x
  2. Step 2: Convert to fraction form
    4,020.26/6,030.40 = 2,172.22/x
  3. Step 3: Cross multiply
    4,020.26x = 6,030.40 × 2,172.22
  4. Step 4: Simplify right side
    4,020.26x = 13,099,355.49
  5. Step 5: Solve for x
    x = 13,099,355.49/4,020.26
  6. Step 6: Final answer
    x = 3,258.34

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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.