Home / 6,838.07-10,257.12-1,907.84

Finding the Fourth Proportional to 6,838.07, 10,257.12 and 1,907.84

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Solution

The fourth proportional to 6,838.07, 10,257.12 and 1,907.84 is: 2,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.07 : 10,257.12 = 1,907.84 : x
  2. Step 2: Convert to fraction form
    6,838.07/10,257.12 = 1,907.84/x
  3. Step 3: Cross multiply
    6,838.07x = 10,257.12 × 1,907.84
  4. Step 4: Simplify right side
    6,838.07x = 19,568,969.46
  5. Step 5: Solve for x
    x = 19,568,969.46/6,838.07
  6. Step 6: Final answer
    x = 2,861.77

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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.