Home / 5,623.53-7,760.37-3,105.60

Finding the Fourth Proportional to 5,623.53, 7,760.37 and 3,105.60

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Solution

The fourth proportional to 5,623.53, 7,760.37 and 3,105.60 is: 4,285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.53 : 7,760.37 = 3,105.60 : x
  2. Step 2: Convert to fraction form
    5,623.53/7,760.37 = 3,105.60/x
  3. Step 3: Cross multiply
    5,623.53x = 7,760.37 × 3,105.60
  4. Step 4: Simplify right side
    5,623.53x = 24,100,605.07
  5. Step 5: Solve for x
    x = 24,100,605.07/5,623.53
  6. Step 6: Final answer
    x = 4,285.67

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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.