Home / 4,782.15-7,174.85-1,860.75

Finding the Fourth Proportional to 4,782.15, 7,174.85 and 1,860.75

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Solution

The fourth proportional to 4,782.15, 7,174.85 and 1,860.75 is: 2,791.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.15 : 7,174.85 = 1,860.75 : x
  2. Step 2: Convert to fraction form
    4,782.15/7,174.85 = 1,860.75/x
  3. Step 3: Cross multiply
    4,782.15x = 7,174.85 × 1,860.75
  4. Step 4: Simplify right side
    4,782.15x = 13,350,592.83
  5. Step 5: Solve for x
    x = 13,350,592.83/4,782.15
  6. Step 6: Final answer
    x = 2,791.76

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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.