Home / 5,383.56-7,428.66-3,025.20

Finding the Fourth Proportional to 5,383.56, 7,428.66 and 3,025.20

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Solution

The fourth proportional to 5,383.56, 7,428.66 and 3,025.20 is: 4,174.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.56 : 7,428.66 = 3,025.20 : x
  2. Step 2: Convert to fraction form
    5,383.56/7,428.66 = 3,025.20/x
  3. Step 3: Cross multiply
    5,383.56x = 7,428.66 × 3,025.20
  4. Step 4: Simplify right side
    5,383.56x = 22,473,182.23
  5. Step 5: Solve for x
    x = 22,473,182.23/5,383.56
  6. Step 6: Final answer
    x = 4,174.41

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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.