Home / 8,199.41-12,299.31-2,653.34

Finding the Fourth Proportional to 8,199.41, 12,299.31 and 2,653.34

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Solution

The fourth proportional to 8,199.41, 12,299.31 and 2,653.34 is: 3,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.41 : 12,299.31 = 2,653.34 : x
  2. Step 2: Convert to fraction form
    8,199.41/12,299.31 = 2,653.34/x
  3. Step 3: Cross multiply
    8,199.41x = 12,299.31 × 2,653.34
  4. Step 4: Simplify right side
    8,199.41x = 32,634,189.70
  5. Step 5: Solve for x
    x = 32,634,189.70/8,199.41
  6. Step 6: Final answer
    x = 3,980.07

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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.