Home / 5,653.46-8,481.62-3,315.42

Finding the Fourth Proportional to 5,653.46, 8,481.62 and 3,315.42

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Solution

The fourth proportional to 5,653.46, 8,481.62 and 3,315.42 is: 4,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.46 : 8,481.62 = 3,315.42 : x
  2. Step 2: Convert to fraction form
    5,653.46/8,481.62 = 3,315.42/x
  3. Step 3: Cross multiply
    5,653.46x = 8,481.62 × 3,315.42
  4. Step 4: Simplify right side
    5,653.46x = 28,120,116.00
  5. Step 5: Solve for x
    x = 28,120,116.00/5,653.46
  6. Step 6: Final answer
    x = 4,973.96

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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.