Home / 4,500.30-6,750.45-2,857.98

Finding the Fourth Proportional to 4,500.30, 6,750.45 and 2,857.98

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Solution

The fourth proportional to 4,500.30, 6,750.45 and 2,857.98 is: 4,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,500.30 : 6,750.45 = 2,857.98 : x
  2. Step 2: Convert to fraction form
    4,500.30/6,750.45 = 2,857.98/x
  3. Step 3: Cross multiply
    4,500.30x = 6,750.45 × 2,857.98
  4. Step 4: Simplify right side
    4,500.30x = 19,292,651.09
  5. Step 5: Solve for x
    x = 19,292,651.09/4,500.30
  6. Step 6: Final answer
    x = 4,286.97

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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.