Home / 8,464.44-12,689.76-5,682.62

Finding the Fourth Proportional to 8,464.44, 12,689.76 and 5,682.62

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Solution

The fourth proportional to 8,464.44, 12,689.76 and 5,682.62 is: 8,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.44 : 12,689.76 = 5,682.62 : x
  2. Step 2: Convert to fraction form
    8,464.44/12,689.76 = 5,682.62/x
  3. Step 3: Cross multiply
    8,464.44x = 12,689.76 × 5,682.62
  4. Step 4: Simplify right side
    8,464.44x = 72,111,083.97
  5. Step 5: Solve for x
    x = 72,111,083.97/8,464.44
  6. Step 6: Final answer
    x = 8,519.30

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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.