Home / 4,200.87-6,301.31-1,889.67

Finding the Fourth Proportional to 4,200.87, 6,301.31 and 1,889.67

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Solution

The fourth proportional to 4,200.87, 6,301.31 and 1,889.67 is: 2,834.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.87 : 6,301.31 = 1,889.67 : x
  2. Step 2: Convert to fraction form
    4,200.87/6,301.31 = 1,889.67/x
  3. Step 3: Cross multiply
    4,200.87x = 6,301.31 × 1,889.67
  4. Step 4: Simplify right side
    4,200.87x = 11,907,396.47
  5. Step 5: Solve for x
    x = 11,907,396.47/4,200.87
  6. Step 6: Final answer
    x = 2,834.51

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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.