Home / 7,756.90-11,628.72-3,371.02

Finding the Fourth Proportional to 7,756.90, 11,628.72 and 3,371.02

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Solution

The fourth proportional to 7,756.90, 11,628.72 and 3,371.02 is: 5,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.90 : 11,628.72 = 3,371.02 : x
  2. Step 2: Convert to fraction form
    7,756.90/11,628.72 = 3,371.02/x
  3. Step 3: Cross multiply
    7,756.90x = 11,628.72 × 3,371.02
  4. Step 4: Simplify right side
    7,756.90x = 39,200,647.69
  5. Step 5: Solve for x
    x = 39,200,647.69/7,756.90
  6. Step 6: Final answer
    x = 5,053.65

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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.