Home / 6,858.14-10,285.41-2,474.78

Finding the Fourth Proportional to 6,858.14, 10,285.41 and 2,474.78

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Solution

The fourth proportional to 6,858.14, 10,285.41 and 2,474.78 is: 3,711.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.14 : 10,285.41 = 2,474.78 : x
  2. Step 2: Convert to fraction form
    6,858.14/10,285.41 = 2,474.78/x
  3. Step 3: Cross multiply
    6,858.14x = 10,285.41 × 2,474.78
  4. Step 4: Simplify right side
    6,858.14x = 25,454,126.96
  5. Step 5: Solve for x
    x = 25,454,126.96/6,858.14
  6. Step 6: Final answer
    x = 3,711.52

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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.