Home / 6,619.81-9,933.67-2,672.99

Finding the Fourth Proportional to 6,619.81, 9,933.67 and 2,672.99

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Solution

The fourth proportional to 6,619.81, 9,933.67 and 2,672.99 is: 4,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.81 : 9,933.67 = 2,672.99 : x
  2. Step 2: Convert to fraction form
    6,619.81/9,933.67 = 2,672.99/x
  3. Step 3: Cross multiply
    6,619.81x = 9,933.67 × 2,672.99
  4. Step 4: Simplify right side
    6,619.81x = 26,552,600.57
  5. Step 5: Solve for x
    x = 26,552,600.57/6,619.81
  6. Step 6: Final answer
    x = 4,011.08

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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.