Home / 7,397.60-11,096.40-4,481.60

Finding the Fourth Proportional to 7,397.60, 11,096.40 and 4,481.60

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Solution

The fourth proportional to 7,397.60, 11,096.40 and 4,481.60 is: 6,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.60 : 11,096.40 = 4,481.60 : x
  2. Step 2: Convert to fraction form
    7,397.60/11,096.40 = 4,481.60/x
  3. Step 3: Cross multiply
    7,397.60x = 11,096.40 × 4,481.60
  4. Step 4: Simplify right side
    7,397.60x = 49,729,626.24
  5. Step 5: Solve for x
    x = 49,729,626.24/7,397.60
  6. Step 6: Final answer
    x = 6,722.40

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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.