Home / 4,911.75-7,365.84-1,790.84

Finding the Fourth Proportional to 4,911.75, 7,365.84 and 1,790.84

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Solution

The fourth proportional to 4,911.75, 7,365.84 and 1,790.84 is: 2,685.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.75 : 7,365.84 = 1,790.84 : x
  2. Step 2: Convert to fraction form
    4,911.75/7,365.84 = 1,790.84/x
  3. Step 3: Cross multiply
    4,911.75x = 7,365.84 × 1,790.84
  4. Step 4: Simplify right side
    4,911.75x = 13,191,040.91
  5. Step 5: Solve for x
    x = 13,191,040.91/4,911.75
  6. Step 6: Final answer
    x = 2,685.61

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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.