Home / 4,124.82-5,688.39-3,288.30

Finding the Fourth Proportional to 4,124.82, 5,688.39 and 3,288.30

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Solution

The fourth proportional to 4,124.82, 5,688.39 and 3,288.30 is: 4,534.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.82 : 5,688.39 = 3,288.30 : x
  2. Step 2: Convert to fraction form
    4,124.82/5,688.39 = 3,288.30/x
  3. Step 3: Cross multiply
    4,124.82x = 5,688.39 × 3,288.30
  4. Step 4: Simplify right side
    4,124.82x = 18,705,132.84
  5. Step 5: Solve for x
    x = 18,705,132.84/4,124.82
  6. Step 6: Final answer
    x = 4,534.78

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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.