Home / 7,628.33-11,443.37-2,698.53

Finding the Fourth Proportional to 7,628.33, 11,443.37 and 2,698.53

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Solution

The fourth proportional to 7,628.33, 11,443.37 and 2,698.53 is: 4,048.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.33 : 11,443.37 = 2,698.53 : x
  2. Step 2: Convert to fraction form
    7,628.33/11,443.37 = 2,698.53/x
  3. Step 3: Cross multiply
    7,628.33x = 11,443.37 × 2,698.53
  4. Step 4: Simplify right side
    7,628.33x = 30,880,263.75
  5. Step 5: Solve for x
    x = 30,880,263.75/7,628.33
  6. Step 6: Final answer
    x = 4,048.11

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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.