Home / 5,628.52-7,767.80-3,270.84

Finding the Fourth Proportional to 5,628.52, 7,767.80 and 3,270.84

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Solution

The fourth proportional to 5,628.52, 7,767.80 and 3,270.84 is: 4,514.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.52 : 7,767.80 = 3,270.84 : x
  2. Step 2: Convert to fraction form
    5,628.52/7,767.80 = 3,270.84/x
  3. Step 3: Cross multiply
    5,628.52x = 7,767.80 × 3,270.84
  4. Step 4: Simplify right side
    5,628.52x = 25,407,230.95
  5. Step 5: Solve for x
    x = 25,407,230.95/5,628.52
  6. Step 6: Final answer
    x = 4,514.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.