Home / 4,518.33-6,781.55-3,782.55

Finding the Fourth Proportional to 4,518.33, 6,781.55 and 3,782.55

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Solution

The fourth proportional to 4,518.33, 6,781.55 and 3,782.55 is: 5,677.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.33 : 6,781.55 = 3,782.55 : x
  2. Step 2: Convert to fraction form
    4,518.33/6,781.55 = 3,782.55/x
  3. Step 3: Cross multiply
    4,518.33x = 6,781.55 × 3,782.55
  4. Step 4: Simplify right side
    4,518.33x = 25,651,533.04
  5. Step 5: Solve for x
    x = 25,651,533.04/4,518.33
  6. Step 6: Final answer
    x = 5,677.22

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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.