Home / 4,245.85-6,365.71-2,855.76

Finding the Fourth Proportional to 4,245.85, 6,365.71 and 2,855.76

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Solution

The fourth proportional to 4,245.85, 6,365.71 and 2,855.76 is: 4,281.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.85 : 6,365.71 = 2,855.76 : x
  2. Step 2: Convert to fraction form
    4,245.85/6,365.71 = 2,855.76/x
  3. Step 3: Cross multiply
    4,245.85x = 6,365.71 × 2,855.76
  4. Step 4: Simplify right side
    4,245.85x = 18,178,939.99
  5. Step 5: Solve for x
    x = 18,178,939.99/4,245.85
  6. Step 6: Final answer
    x = 4,281.58

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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.