Home / 4,442.15-6,662.07-1,321.32

Finding the Fourth Proportional to 4,442.15, 6,662.07 and 1,321.32

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Solution

The fourth proportional to 4,442.15, 6,662.07 and 1,321.32 is: 1,981.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.15 : 6,662.07 = 1,321.32 : x
  2. Step 2: Convert to fraction form
    4,442.15/6,662.07 = 1,321.32/x
  3. Step 3: Cross multiply
    4,442.15x = 6,662.07 × 1,321.32
  4. Step 4: Simplify right side
    4,442.15x = 8,802,708.89
  5. Step 5: Solve for x
    x = 8,802,708.89/4,442.15
  6. Step 6: Final answer
    x = 1,981.63

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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.