Home / 3,558.20-5,363.99-3,320.33

Finding the Fourth Proportional to 3,558.20, 5,363.99 and 3,320.33

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Solution

The fourth proportional to 3,558.20, 5,363.99 and 3,320.33 is: 5,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.20 : 5,363.99 = 3,320.33 : x
  2. Step 2: Convert to fraction form
    3,558.20/5,363.99 = 3,320.33/x
  3. Step 3: Cross multiply
    3,558.20x = 5,363.99 × 3,320.33
  4. Step 4: Simplify right side
    3,558.20x = 17,810,216.92
  5. Step 5: Solve for x
    x = 17,810,216.92/3,558.20
  6. Step 6: Final answer
    x = 5,005.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.