Home / 4,140.21-6,208.50-2,577.87

Finding the Fourth Proportional to 4,140.21, 6,208.50 and 2,577.87

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Solution

The fourth proportional to 4,140.21, 6,208.50 and 2,577.87 is: 3,865.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.21 : 6,208.50 = 2,577.87 : x
  2. Step 2: Convert to fraction form
    4,140.21/6,208.50 = 2,577.87/x
  3. Step 3: Cross multiply
    4,140.21x = 6,208.50 × 2,577.87
  4. Step 4: Simplify right side
    4,140.21x = 16,004,705.90
  5. Step 5: Solve for x
    x = 16,004,705.90/4,140.21
  6. Step 6: Final answer
    x = 3,865.67

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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.