Home / 5,418.09-7,477.81-3,294.28

Finding the Fourth Proportional to 5,418.09, 7,477.81 and 3,294.28

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Solution

The fourth proportional to 5,418.09, 7,477.81 and 3,294.28 is: 4,546.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.09 : 7,477.81 = 3,294.28 : x
  2. Step 2: Convert to fraction form
    5,418.09/7,477.81 = 3,294.28/x
  3. Step 3: Cross multiply
    5,418.09x = 7,477.81 × 3,294.28
  4. Step 4: Simplify right side
    5,418.09x = 24,633,999.93
  5. Step 5: Solve for x
    x = 24,633,999.93/5,418.09
  6. Step 6: Final answer
    x = 4,546.62

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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.