Home / 8,182.24-12,268.43-3,678.47

Finding the Fourth Proportional to 8,182.24, 12,268.43 and 3,678.47

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Solution

The fourth proportional to 8,182.24, 12,268.43 and 3,678.47 is: 5,515.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182.24 : 12,268.43 = 3,678.47 : x
  2. Step 2: Convert to fraction form
    8,182.24/12,268.43 = 3,678.47/x
  3. Step 3: Cross multiply
    8,182.24x = 12,268.43 × 3,678.47
  4. Step 4: Simplify right side
    8,182.24x = 45,129,051.70
  5. Step 5: Solve for x
    x = 45,129,051.70/8,182.24
  6. Step 6: Final answer
    x = 5,515.49

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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.