Home / 9,191.40-13,788.61-3,644.77

Finding the Fourth Proportional to 9,191.40, 13,788.61 and 3,644.77

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Solution

The fourth proportional to 9,191.40, 13,788.61 and 3,644.77 is: 5,467.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.40 : 13,788.61 = 3,644.77 : x
  2. Step 2: Convert to fraction form
    9,191.40/13,788.61 = 3,644.77/x
  3. Step 3: Cross multiply
    9,191.40x = 13,788.61 × 3,644.77
  4. Step 4: Simplify right side
    9,191.40x = 50,256,282.15
  5. Step 5: Solve for x
    x = 50,256,282.15/9,191.40
  6. Step 6: Final answer
    x = 5,467.75

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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.