Home / 6,284.88-9,429.78-1,902.78

Finding the Fourth Proportional to 6,284.88, 9,429.78 and 1,902.78

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Solution

The fourth proportional to 6,284.88, 9,429.78 and 1,902.78 is: 2,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,284.88 : 9,429.78 = 1,902.78 : x
  2. Step 2: Convert to fraction form
    6,284.88/9,429.78 = 1,902.78/x
  3. Step 3: Cross multiply
    6,284.88x = 9,429.78 × 1,902.78
  4. Step 4: Simplify right side
    6,284.88x = 17,942,796.79
  5. Step 5: Solve for x
    x = 17,942,796.79/6,284.88
  6. Step 6: Final answer
    x = 2,854.91

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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.