Home / 7,820.26-11,732.16-2,626

Finding the Fourth Proportional to 7,820.26, 11,732.16 and 2,626

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Solution

The fourth proportional to 7,820.26, 11,732.16 and 2,626 is: 3,939.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.26 : 11,732.16 = 2,626 : x
  2. Step 2: Convert to fraction form
    7,820.26/11,732.16 = 2,626/x
  3. Step 3: Cross multiply
    7,820.26x = 11,732.16 × 2,626
  4. Step 4: Simplify right side
    7,820.26x = 30,808,652.16
  5. Step 5: Solve for x
    x = 30,808,652.16/7,820.26
  6. Step 6: Final answer
    x = 3,939.59

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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.