Home / 5,678.44-8,517.73-1,782.84

Finding the Fourth Proportional to 5,678.44, 8,517.73 and 1,782.84

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Solution

The fourth proportional to 5,678.44, 8,517.73 and 1,782.84 is: 2,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.44 : 8,517.73 = 1,782.84 : x
  2. Step 2: Convert to fraction form
    5,678.44/8,517.73 = 1,782.84/x
  3. Step 3: Cross multiply
    5,678.44x = 8,517.73 × 1,782.84
  4. Step 4: Simplify right side
    5,678.44x = 15,185,785.59
  5. Step 5: Solve for x
    x = 15,185,785.59/5,678.44
  6. Step 6: Final answer
    x = 2,674.29

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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.