Home / 4,343.69-6,515.82-2,151.83

Finding the Fourth Proportional to 4,343.69, 6,515.82 and 2,151.83

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Solution

The fourth proportional to 4,343.69, 6,515.82 and 2,151.83 is: 3,227.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343.69 : 6,515.82 = 2,151.83 : x
  2. Step 2: Convert to fraction form
    4,343.69/6,515.82 = 2,151.83/x
  3. Step 3: Cross multiply
    4,343.69x = 6,515.82 × 2,151.83
  4. Step 4: Simplify right side
    4,343.69x = 14,020,904.37
  5. Step 5: Solve for x
    x = 14,020,904.37/4,343.69
  6. Step 6: Final answer
    x = 3,227.88

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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.