Home / 4,200.62-6,300.93-1,889.42

Finding the Fourth Proportional to 4,200.62, 6,300.93 and 1,889.42

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Solution

The fourth proportional to 4,200.62, 6,300.93 and 1,889.42 is: 2,834.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.62 : 6,300.93 = 1,889.42 : x
  2. Step 2: Convert to fraction form
    4,200.62/6,300.93 = 1,889.42/x
  3. Step 3: Cross multiply
    4,200.62x = 6,300.93 × 1,889.42
  4. Step 4: Simplify right side
    4,200.62x = 11,905,103.16
  5. Step 5: Solve for x
    x = 11,905,103.16/4,200.62
  6. Step 6: Final answer
    x = 2,834.13

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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.