Home / 6,828.75-10,243.11-1,898.40

Finding the Fourth Proportional to 6,828.75, 10,243.11 and 1,898.40

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Solution

The fourth proportional to 6,828.75, 10,243.11 and 1,898.40 is: 2,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.75 : 10,243.11 = 1,898.40 : x
  2. Step 2: Convert to fraction form
    6,828.75/10,243.11 = 1,898.40/x
  3. Step 3: Cross multiply
    6,828.75x = 10,243.11 × 1,898.40
  4. Step 4: Simplify right side
    6,828.75x = 19,445,520.02
  5. Step 5: Solve for x
    x = 19,445,520.02/6,828.75
  6. Step 6: Final answer
    x = 2,847.60

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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.