Home / 4,380.58-6,047.37-2,788.81

Finding the Fourth Proportional to 4,380.58, 6,047.37 and 2,788.81

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Solution

The fourth proportional to 4,380.58, 6,047.37 and 2,788.81 is: 3,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.58 : 6,047.37 = 2,788.81 : x
  2. Step 2: Convert to fraction form
    4,380.58/6,047.37 = 2,788.81/x
  3. Step 3: Cross multiply
    4,380.58x = 6,047.37 × 2,788.81
  4. Step 4: Simplify right side
    4,380.58x = 16,864,965.93
  5. Step 5: Solve for x
    x = 16,864,965.93/4,380.58
  6. Step 6: Final answer
    x = 3,849.94

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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.