Home / 4,435.45-6,620.69-3,909.95

Finding the Fourth Proportional to 4,435.45, 6,620.69 and 3,909.95

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Solution

The fourth proportional to 4,435.45, 6,620.69 and 3,909.95 is: 5,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.45 : 6,620.69 = 3,909.95 : x
  2. Step 2: Convert to fraction form
    4,435.45/6,620.69 = 3,909.95/x
  3. Step 3: Cross multiply
    4,435.45x = 6,620.69 × 3,909.95
  4. Step 4: Simplify right side
    4,435.45x = 25,886,527.75
  5. Step 5: Solve for x
    x = 25,886,527.75/4,435.45
  6. Step 6: Final answer
    x = 5,836.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.