Home / 5,418.24-7,477.16-2,934.24

Finding the Fourth Proportional to 5,418.24, 7,477.16 and 2,934.24

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Solution

The fourth proportional to 5,418.24, 7,477.16 and 2,934.24 is: 4,049.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.24 : 7,477.16 = 2,934.24 : x
  2. Step 2: Convert to fraction form
    5,418.24/7,477.16 = 2,934.24/x
  3. Step 3: Cross multiply
    5,418.24x = 7,477.16 × 2,934.24
  4. Step 4: Simplify right side
    5,418.24x = 21,939,781.96
  5. Step 5: Solve for x
    x = 21,939,781.96/5,418.24
  6. Step 6: Final answer
    x = 4,049.25

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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.