Home / 8,816.80-13,230.42-3,554.34

Finding the Fourth Proportional to 8,816.80, 13,230.42 and 3,554.34

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Solution

The fourth proportional to 8,816.80, 13,230.42 and 3,554.34 is: 5,333.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.80 : 13,230.42 = 3,554.34 : x
  2. Step 2: Convert to fraction form
    8,816.80/13,230.42 = 3,554.34/x
  3. Step 3: Cross multiply
    8,816.80x = 13,230.42 × 3,554.34
  4. Step 4: Simplify right side
    8,816.80x = 47,025,411.02
  5. Step 5: Solve for x
    x = 47,025,411.02/8,816.80
  6. Step 6: Final answer
    x = 5,333.61

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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.