Home / 9,107.57-13,653.21-3,559.61

Finding the Fourth Proportional to 9,107.57, 13,653.21 and 3,559.61

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Solution

The fourth proportional to 9,107.57, 13,653.21 and 3,559.61 is: 5,336.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.57 : 13,653.21 = 3,559.61 : x
  2. Step 2: Convert to fraction form
    9,107.57/13,653.21 = 3,559.61/x
  3. Step 3: Cross multiply
    9,107.57x = 13,653.21 × 3,559.61
  4. Step 4: Simplify right side
    9,107.57x = 48,600,102.85
  5. Step 5: Solve for x
    x = 48,600,102.85/9,107.57
  6. Step 6: Final answer
    x = 5,336.23

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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.