Home / 4,429.08-6,645.30-2,783.80

Finding the Fourth Proportional to 4,429.08, 6,645.30 and 2,783.80

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Solution

The fourth proportional to 4,429.08, 6,645.30 and 2,783.80 is: 4,176.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.08 : 6,645.30 = 2,783.80 : x
  2. Step 2: Convert to fraction form
    4,429.08/6,645.30 = 2,783.80/x
  3. Step 3: Cross multiply
    4,429.08x = 6,645.30 × 2,783.80
  4. Step 4: Simplify right side
    4,429.08x = 18,499,186.14
  5. Step 5: Solve for x
    x = 18,499,186.14/4,429.08
  6. Step 6: Final answer
    x = 4,176.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.