Home / 8,172.35-12,258.96-2,625.26

Finding the Fourth Proportional to 8,172.35, 12,258.96 and 2,625.26

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Solution

The fourth proportional to 8,172.35, 12,258.96 and 2,625.26 is: 3,938.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.35 : 12,258.96 = 2,625.26 : x
  2. Step 2: Convert to fraction form
    8,172.35/12,258.96 = 2,625.26/x
  3. Step 3: Cross multiply
    8,172.35x = 12,258.96 × 2,625.26
  4. Step 4: Simplify right side
    8,172.35x = 32,182,896.03
  5. Step 5: Solve for x
    x = 32,182,896.03/8,172.35
  6. Step 6: Final answer
    x = 3,938.02

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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.