Home / 5,189.30-7,786.23-1,903.33

Finding the Fourth Proportional to 5,189.30, 7,786.23 and 1,903.33

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Solution

The fourth proportional to 5,189.30, 7,786.23 and 1,903.33 is: 2,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.30 : 7,786.23 = 1,903.33 : x
  2. Step 2: Convert to fraction form
    5,189.30/7,786.23 = 1,903.33/x
  3. Step 3: Cross multiply
    5,189.30x = 7,786.23 × 1,903.33
  4. Step 4: Simplify right side
    5,189.30x = 14,819,767.74
  5. Step 5: Solve for x
    x = 14,819,767.74/5,189.30
  6. Step 6: Final answer
    x = 2,855.83

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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.