Home / 4,269.75-6,405.71-1,191.75

Finding the Fourth Proportional to 4,269.75, 6,405.71 and 1,191.75

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Solution

The fourth proportional to 4,269.75, 6,405.71 and 1,191.75 is: 1,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.75 : 6,405.71 = 1,191.75 : x
  2. Step 2: Convert to fraction form
    4,269.75/6,405.71 = 1,191.75/x
  3. Step 3: Cross multiply
    4,269.75x = 6,405.71 × 1,191.75
  4. Step 4: Simplify right side
    4,269.75x = 7,633,998.93
  5. Step 5: Solve for x
    x = 7,633,998.93/4,269.75
  6. Step 6: Final answer
    x = 1,787.93

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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.