Home / 5,380.38-8,069.76-1,682.46

Finding the Fourth Proportional to 5,380.38, 8,069.76 and 1,682.46

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Solution

The fourth proportional to 5,380.38, 8,069.76 and 1,682.46 is: 2,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.38 : 8,069.76 = 1,682.46 : x
  2. Step 2: Convert to fraction form
    5,380.38/8,069.76 = 1,682.46/x
  3. Step 3: Cross multiply
    5,380.38x = 8,069.76 × 1,682.46
  4. Step 4: Simplify right side
    5,380.38x = 13,577,048.41
  5. Step 5: Solve for x
    x = 13,577,048.41/5,380.38
  6. Step 6: Final answer
    x = 2,523.44

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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.