Home / 7,439.80-11,155.46-5,750.60

Finding the Fourth Proportional to 7,439.80, 11,155.46 and 5,750.60

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Solution

The fourth proportional to 7,439.80, 11,155.46 and 5,750.60 is: 8,622.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.80 : 11,155.46 = 5,750.60 : x
  2. Step 2: Convert to fraction form
    7,439.80/11,155.46 = 5,750.60/x
  3. Step 3: Cross multiply
    7,439.80x = 11,155.46 × 5,750.60
  4. Step 4: Simplify right side
    7,439.80x = 64,150,546.88
  5. Step 5: Solve for x
    x = 64,150,546.88/7,439.80
  6. Step 6: Final answer
    x = 8,622.62

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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.