Home / 5,480.37-7,562.88-3,122.55

Finding the Fourth Proportional to 5,480.37, 7,562.88 and 3,122.55

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Solution

The fourth proportional to 5,480.37, 7,562.88 and 3,122.55 is: 4,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.37 : 7,562.88 = 3,122.55 : x
  2. Step 2: Convert to fraction form
    5,480.37/7,562.88 = 3,122.55/x
  3. Step 3: Cross multiply
    5,480.37x = 7,562.88 × 3,122.55
  4. Step 4: Simplify right side
    5,480.37x = 23,615,470.94
  5. Step 5: Solve for x
    x = 23,615,470.94/5,480.37
  6. Step 6: Final answer
    x = 4,309.10

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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.