Home / 5,418.19-7,477.10-2,934.19

Finding the Fourth Proportional to 5,418.19, 7,477.10 and 2,934.19

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Solution

The fourth proportional to 5,418.19, 7,477.10 and 2,934.19 is: 4,049.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.19 : 7,477.10 = 2,934.19 : x
  2. Step 2: Convert to fraction form
    5,418.19/7,477.10 = 2,934.19/x
  3. Step 3: Cross multiply
    5,418.19x = 7,477.10 × 2,934.19
  4. Step 4: Simplify right side
    5,418.19x = 21,939,232.05
  5. Step 5: Solve for x
    x = 21,939,232.05/5,418.19
  6. Step 6: Final answer
    x = 4,049.18

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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.