Home / 9,052.72-13,571.40-4,120.64

Finding the Fourth Proportional to 9,052.72, 13,571.40 and 4,120.64

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Solution

The fourth proportional to 9,052.72, 13,571.40 and 4,120.64 is: 6,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,052.72 : 13,571.40 = 4,120.64 : x
  2. Step 2: Convert to fraction form
    9,052.72/13,571.40 = 4,120.64/x
  3. Step 3: Cross multiply
    9,052.72x = 13,571.40 × 4,120.64
  4. Step 4: Simplify right side
    9,052.72x = 55,922,853.70
  5. Step 5: Solve for x
    x = 55,922,853.70/9,052.72
  6. Step 6: Final answer
    x = 6,177.46

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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.