Home / 4,727.67-7,091.52-1,440.75

Finding the Fourth Proportional to 4,727.67, 7,091.52 and 1,440.75

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Solution

The fourth proportional to 4,727.67, 7,091.52 and 1,440.75 is: 2,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.67 : 7,091.52 = 1,440.75 : x
  2. Step 2: Convert to fraction form
    4,727.67/7,091.52 = 1,440.75/x
  3. Step 3: Cross multiply
    4,727.67x = 7,091.52 × 1,440.75
  4. Step 4: Simplify right side
    4,727.67x = 10,217,107.44
  5. Step 5: Solve for x
    x = 10,217,107.44/4,727.67
  6. Step 6: Final answer
    x = 2,161.13

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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.