Home / 4,689.12-7,033.44-2,380.56

Finding the Fourth Proportional to 4,689.12, 7,033.44 and 2,380.56

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Solution

The fourth proportional to 4,689.12, 7,033.44 and 2,380.56 is: 3,570.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.12 : 7,033.44 = 2,380.56 : x
  2. Step 2: Convert to fraction form
    4,689.12/7,033.44 = 2,380.56/x
  3. Step 3: Cross multiply
    4,689.12x = 7,033.44 × 2,380.56
  4. Step 4: Simplify right side
    4,689.12x = 16,743,525.93
  5. Step 5: Solve for x
    x = 16,743,525.93/4,689.12
  6. Step 6: Final answer
    x = 3,570.72

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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.