Home / 5,579.55-7,695.34-3,963.67

Finding the Fourth Proportional to 5,579.55, 7,695.34 and 3,963.67

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Solution

The fourth proportional to 5,579.55, 7,695.34 and 3,963.67 is: 5,466.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.55 : 7,695.34 = 3,963.67 : x
  2. Step 2: Convert to fraction form
    5,579.55/7,695.34 = 3,963.67/x
  3. Step 3: Cross multiply
    5,579.55x = 7,695.34 × 3,963.67
  4. Step 4: Simplify right side
    5,579.55x = 30,501,759.15
  5. Step 5: Solve for x
    x = 30,501,759.15/5,579.55
  6. Step 6: Final answer
    x = 5,466.71

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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.