Home / 6,865.55-9,474.37-3,721.67

Finding the Fourth Proportional to 6,865.55, 9,474.37 and 3,721.67

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Solution

The fourth proportional to 6,865.55, 9,474.37 and 3,721.67 is: 5,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.55 : 9,474.37 = 3,721.67 : x
  2. Step 2: Convert to fraction form
    6,865.55/9,474.37 = 3,721.67/x
  3. Step 3: Cross multiply
    6,865.55x = 9,474.37 × 3,721.67
  4. Step 4: Simplify right side
    6,865.55x = 35,260,421.92
  5. Step 5: Solve for x
    x = 35,260,421.92/6,865.55
  6. Step 6: Final answer
    x = 5,135.85

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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.