Home / 4,249.80-6,374.70-1,783.80

Finding the Fourth Proportional to 4,249.80, 6,374.70 and 1,783.80

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Solution

The fourth proportional to 4,249.80, 6,374.70 and 1,783.80 is: 2,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.80 : 6,374.70 = 1,783.80 : x
  2. Step 2: Convert to fraction form
    4,249.80/6,374.70 = 1,783.80/x
  3. Step 3: Cross multiply
    4,249.80x = 6,374.70 × 1,783.80
  4. Step 4: Simplify right side
    4,249.80x = 11,371,189.86
  5. Step 5: Solve for x
    x = 11,371,189.86/4,249.80
  6. Step 6: Final answer
    x = 2,675.70

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1.5x scale

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.