Home / 8,878.11-13,313.70-3,328.42

Finding the Fourth Proportional to 8,878.11, 13,313.70 and 3,328.42

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Solution

The fourth proportional to 8,878.11, 13,313.70 and 3,328.42 is: 4,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.11 : 13,313.70 = 3,328.42 : x
  2. Step 2: Convert to fraction form
    8,878.11/13,313.70 = 3,328.42/x
  3. Step 3: Cross multiply
    8,878.11x = 13,313.70 × 3,328.42
  4. Step 4: Simplify right side
    8,878.11x = 44,313,610.32
  5. Step 5: Solve for x
    x = 44,313,610.32/8,878.11
  6. Step 6: Final answer
    x = 4,991.34

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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.