Home / 4,780.40-6,593.42-2,790.83

Finding the Fourth Proportional to 4,780.40, 6,593.42 and 2,790.83

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Solution

The fourth proportional to 4,780.40, 6,593.42 and 2,790.83 is: 3,849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.40 : 6,593.42 = 2,790.83 : x
  2. Step 2: Convert to fraction form
    4,780.40/6,593.42 = 2,790.83/x
  3. Step 3: Cross multiply
    4,780.40x = 6,593.42 × 2,790.83
  4. Step 4: Simplify right side
    4,780.40x = 18,401,137.80
  5. Step 5: Solve for x
    x = 18,401,137.80/4,780.40
  6. Step 6: Final answer
    x = 3,849.29

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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.