Home / 4,442.60-6,662.73-1,321.77

Finding the Fourth Proportional to 4,442.60, 6,662.73 and 1,321.77

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Solution

The fourth proportional to 4,442.60, 6,662.73 and 1,321.77 is: 1,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.60 : 6,662.73 = 1,321.77 : x
  2. Step 2: Convert to fraction form
    4,442.60/6,662.73 = 1,321.77/x
  3. Step 3: Cross multiply
    4,442.60x = 6,662.73 × 1,321.77
  4. Step 4: Simplify right side
    4,442.60x = 8,806,596.63
  5. Step 5: Solve for x
    x = 8,806,596.63/4,442.60
  6. Step 6: Final answer
    x = 1,982.31

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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.