Home / 9,152.22-13,728.33-3,885.78

Finding the Fourth Proportional to 9,152.22, 13,728.33 and 3,885.78

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Solution

The fourth proportional to 9,152.22, 13,728.33 and 3,885.78 is: 5,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.22 : 13,728.33 = 3,885.78 : x
  2. Step 2: Convert to fraction form
    9,152.22/13,728.33 = 3,885.78/x
  3. Step 3: Cross multiply
    9,152.22x = 13,728.33 × 3,885.78
  4. Step 4: Simplify right side
    9,152.22x = 53,345,270.15
  5. Step 5: Solve for x
    x = 53,345,270.15/9,152.22
  6. Step 6: Final answer
    x = 5,828.67

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Similar ratio
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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.