Home / 4,311.50-5,950.13-2,820.69

Finding the Fourth Proportional to 4,311.50, 5,950.13 and 2,820.69

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Solution

The fourth proportional to 4,311.50, 5,950.13 and 2,820.69 is: 3,892.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.50 : 5,950.13 = 2,820.69 : x
  2. Step 2: Convert to fraction form
    4,311.50/5,950.13 = 2,820.69/x
  3. Step 3: Cross multiply
    4,311.50x = 5,950.13 × 2,820.69
  4. Step 4: Simplify right side
    4,311.50x = 16,783,458.09
  5. Step 5: Solve for x
    x = 16,783,458.09/4,311.50
  6. Step 6: Final answer
    x = 3,892.72

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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.