Home / 9,152.38-13,728.58-2,226.88

Finding the Fourth Proportional to 9,152.38, 13,728.58 and 2,226.88

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Solution

The fourth proportional to 9,152.38, 13,728.58 and 2,226.88 is: 3,340.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.38 : 13,728.58 = 2,226.88 : x
  2. Step 2: Convert to fraction form
    9,152.38/13,728.58 = 2,226.88/x
  3. Step 3: Cross multiply
    9,152.38x = 13,728.58 × 2,226.88
  4. Step 4: Simplify right side
    9,152.38x = 30,571,900.23
  5. Step 5: Solve for x
    x = 30,571,900.23/9,152.38
  6. Step 6: Final answer
    x = 3,340.32

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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.