Home / 8,941.19-13,380.80-5,429.43

Finding the Fourth Proportional to 8,941.19, 13,380.80 and 5,429.43

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Solution

The fourth proportional to 8,941.19, 13,380.80 and 5,429.43 is: 8,125.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.19 : 13,380.80 = 5,429.43 : x
  2. Step 2: Convert to fraction form
    8,941.19/13,380.80 = 5,429.43/x
  3. Step 3: Cross multiply
    8,941.19x = 13,380.80 × 5,429.43
  4. Step 4: Simplify right side
    8,941.19x = 72,650,089.80
  5. Step 5: Solve for x
    x = 72,650,089.80/8,941.19
  6. Step 6: Final answer
    x = 8,125.33

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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.