Home / 4,409.19-6,612.44-1,289.43

Finding the Fourth Proportional to 4,409.19, 6,612.44 and 1,289.43

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Solution

The fourth proportional to 4,409.19, 6,612.44 and 1,289.43 is: 1,933.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,409.19 : 6,612.44 = 1,289.43 : x
  2. Step 2: Convert to fraction form
    4,409.19/6,612.44 = 1,289.43/x
  3. Step 3: Cross multiply
    4,409.19x = 6,612.44 × 1,289.43
  4. Step 4: Simplify right side
    4,409.19x = 8,526,272.06
  5. Step 5: Solve for x
    x = 8,526,272.06/4,409.19
  6. Step 6: Final answer
    x = 1,933.75

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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.