Home / 9,288.28-12,817.20-5,096.80

Finding the Fourth Proportional to 9,288.28, 12,817.20 and 5,096.80

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Solution

The fourth proportional to 9,288.28, 12,817.20 and 5,096.80 is: 7,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.28 : 12,817.20 = 5,096.80 : x
  2. Step 2: Convert to fraction form
    9,288.28/12,817.20 = 5,096.80/x
  3. Step 3: Cross multiply
    9,288.28x = 12,817.20 × 5,096.80
  4. Step 4: Simplify right side
    9,288.28x = 65,326,704.96
  5. Step 5: Solve for x
    x = 65,326,704.96/9,288.28
  6. Step 6: Final answer
    x = 7,033.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.