Home / 6,858.46-10,287.69-1,928.60

Finding the Fourth Proportional to 6,858.46, 10,287.69 and 1,928.60

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Solution

The fourth proportional to 6,858.46, 10,287.69 and 1,928.60 is: 2,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.46 : 10,287.69 = 1,928.60 : x
  2. Step 2: Convert to fraction form
    6,858.46/10,287.69 = 1,928.60/x
  3. Step 3: Cross multiply
    6,858.46x = 10,287.69 × 1,928.60
  4. Step 4: Simplify right side
    6,858.46x = 19,840,838.93
  5. Step 5: Solve for x
    x = 19,840,838.93/6,858.46
  6. Step 6: Final answer
    x = 2,892.90

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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.