Home / 5,418.51-7,477.47-3,028.32

Finding the Fourth Proportional to 5,418.51, 7,477.47 and 3,028.32

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Solution

The fourth proportional to 5,418.51, 7,477.47 and 3,028.32 is: 4,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.51 : 7,477.47 = 3,028.32 : x
  2. Step 2: Convert to fraction form
    5,418.51/7,477.47 = 3,028.32/x
  3. Step 3: Cross multiply
    5,418.51x = 7,477.47 × 3,028.32
  4. Step 4: Simplify right side
    5,418.51x = 22,644,171.95
  5. Step 5: Solve for x
    x = 22,644,171.95/5,418.51
  6. Step 6: Final answer
    x = 4,179.04

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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.