Home / 6,838.18-10,240.80-3,907.60

Finding the Fourth Proportional to 6,838.18, 10,240.80 and 3,907.60

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Solution

The fourth proportional to 6,838.18, 10,240.80 and 3,907.60 is: 5,851.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.18 : 10,240.80 = 3,907.60 : x
  2. Step 2: Convert to fraction form
    6,838.18/10,240.80 = 3,907.60/x
  3. Step 3: Cross multiply
    6,838.18x = 10,240.80 × 3,907.60
  4. Step 4: Simplify right side
    6,838.18x = 40,016,950.08
  5. Step 5: Solve for x
    x = 40,016,950.08/6,838.18
  6. Step 6: Final answer
    x = 5,851.99

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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.