Home / 8,763.22-13,146.55-3,216.60

Finding the Fourth Proportional to 8,763.22, 13,146.55 and 3,216.60

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Solution

The fourth proportional to 8,763.22, 13,146.55 and 3,216.60 is: 4,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.22 : 13,146.55 = 3,216.60 : x
  2. Step 2: Convert to fraction form
    8,763.22/13,146.55 = 3,216.60/x
  3. Step 3: Cross multiply
    8,763.22x = 13,146.55 × 3,216.60
  4. Step 4: Simplify right side
    8,763.22x = 42,287,192.73
  5. Step 5: Solve for x
    x = 42,287,192.73/8,763.22
  6. Step 6: Final answer
    x = 4,825.53

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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.