Home / 5,738.10-7,919.37-3,380.46

Finding the Fourth Proportional to 5,738.10, 7,919.37 and 3,380.46

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Solution

The fourth proportional to 5,738.10, 7,919.37 and 3,380.46 is: 4,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.10 : 7,919.37 = 3,380.46 : x
  2. Step 2: Convert to fraction form
    5,738.10/7,919.37 = 3,380.46/x
  3. Step 3: Cross multiply
    5,738.10x = 7,919.37 × 3,380.46
  4. Step 4: Simplify right side
    5,738.10x = 26,771,113.51
  5. Step 5: Solve for x
    x = 26,771,113.51/5,738.10
  6. Step 6: Final answer
    x = 4,665.50

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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.