Home / 4,389.80-6,055.88-2,709.86

Finding the Fourth Proportional to 4,389.80, 6,055.88 and 2,709.86

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Solution

The fourth proportional to 4,389.80, 6,055.88 and 2,709.86 is: 3,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.80 : 6,055.88 = 2,709.86 : x
  2. Step 2: Convert to fraction form
    4,389.80/6,055.88 = 2,709.86/x
  3. Step 3: Cross multiply
    4,389.80x = 6,055.88 × 2,709.86
  4. Step 4: Simplify right side
    4,389.80x = 16,410,543.15
  5. Step 5: Solve for x
    x = 16,410,543.15/4,389.80
  6. Step 6: Final answer
    x = 3,738.34

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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.