Home / 4,302.80-5,933.13-2,807.90

Finding the Fourth Proportional to 4,302.80, 5,933.13 and 2,807.90

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Solution

The fourth proportional to 4,302.80, 5,933.13 and 2,807.90 is: 3,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,302.80 : 5,933.13 = 2,807.90 : x
  2. Step 2: Convert to fraction form
    4,302.80/5,933.13 = 2,807.90/x
  3. Step 3: Cross multiply
    4,302.80x = 5,933.13 × 2,807.90
  4. Step 4: Simplify right side
    4,302.80x = 16,659,635.73
  5. Step 5: Solve for x
    x = 16,659,635.73/4,302.80
  6. Step 6: Final answer
    x = 3,871.81

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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.