Home / 6,782.90-10,174.34-1,852.43

Finding the Fourth Proportional to 6,782.90, 10,174.34 and 1,852.43

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Solution

The fourth proportional to 6,782.90, 10,174.34 and 1,852.43 is: 2,778.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782.90 : 10,174.34 = 1,852.43 : x
  2. Step 2: Convert to fraction form
    6,782.90/10,174.34 = 1,852.43/x
  3. Step 3: Cross multiply
    6,782.90x = 10,174.34 × 1,852.43
  4. Step 4: Simplify right side
    6,782.90x = 18,847,206.41
  5. Step 5: Solve for x
    x = 18,847,206.41/6,782.90
  6. Step 6: Final answer
    x = 2,778.64

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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.