Home / 5,383.09-7,428.59-3,025.63

Finding the Fourth Proportional to 5,383.09, 7,428.59 and 3,025.63

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Solution

The fourth proportional to 5,383.09, 7,428.59 and 3,025.63 is: 4,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.09 : 7,428.59 = 3,025.63 : x
  2. Step 2: Convert to fraction form
    5,383.09/7,428.59 = 3,025.63/x
  3. Step 3: Cross multiply
    5,383.09x = 7,428.59 × 3,025.63
  4. Step 4: Simplify right side
    5,383.09x = 22,476,127.62
  5. Step 5: Solve for x
    x = 22,476,127.62/5,383.09
  6. Step 6: Final answer
    x = 4,175.32

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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.