Home / 4,393.80-6,054.30-4,121.64

Finding the Fourth Proportional to 4,393.80, 6,054.30 and 4,121.64

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Solution

The fourth proportional to 4,393.80, 6,054.30 and 4,121.64 is: 5,679.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.80 : 6,054.30 = 4,121.64 : x
  2. Step 2: Convert to fraction form
    4,393.80/6,054.30 = 4,121.64/x
  3. Step 3: Cross multiply
    4,393.80x = 6,054.30 × 4,121.64
  4. Step 4: Simplify right side
    4,393.80x = 24,953,645.05
  5. Step 5: Solve for x
    x = 24,953,645.05/4,393.80
  6. Step 6: Final answer
    x = 5,679.29

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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.