Home / 6,838.10-10,257.73-1,907.75

Finding the Fourth Proportional to 6,838.10, 10,257.73 and 1,907.75

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Solution

The fourth proportional to 6,838.10, 10,257.73 and 1,907.75 is: 2,861.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.10 : 10,257.73 = 1,907.75 : x
  2. Step 2: Convert to fraction form
    6,838.10/10,257.73 = 1,907.75/x
  3. Step 3: Cross multiply
    6,838.10x = 10,257.73 × 1,907.75
  4. Step 4: Simplify right side
    6,838.10x = 19,569,184.41
  5. Step 5: Solve for x
    x = 19,569,184.41/6,838.10
  6. Step 6: Final answer
    x = 2,861.79

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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.