Home / 7,644.24-11,466.12-2,172.24

Finding the Fourth Proportional to 7,644.24, 11,466.12 and 2,172.24

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Solution

The fourth proportional to 7,644.24, 11,466.12 and 2,172.24 is: 3,258.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.24 : 11,466.12 = 2,172.24 : x
  2. Step 2: Convert to fraction form
    7,644.24/11,466.12 = 2,172.24/x
  3. Step 3: Cross multiply
    7,644.24x = 11,466.12 × 2,172.24
  4. Step 4: Simplify right side
    7,644.24x = 24,907,164.51
  5. Step 5: Solve for x
    x = 24,907,164.51/7,644.24
  6. Step 6: Final answer
    x = 3,258.29

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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.