Home / 7,383.05-10,188.30-4,025.78

Finding the Fourth Proportional to 7,383.05, 10,188.30 and 4,025.78

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Solution

The fourth proportional to 7,383.05, 10,188.30 and 4,025.78 is: 5,555.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.05 : 10,188.30 = 4,025.78 : x
  2. Step 2: Convert to fraction form
    7,383.05/10,188.30 = 4,025.78/x
  3. Step 3: Cross multiply
    7,383.05x = 10,188.30 × 4,025.78
  4. Step 4: Simplify right side
    7,383.05x = 41,015,854.37
  5. Step 5: Solve for x
    x = 41,015,854.37/7,383.05
  6. Step 6: Final answer
    x = 5,555.41

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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.