Home / 8,759.08-13,136.98-3,762.34

Finding the Fourth Proportional to 8,759.08, 13,136.98 and 3,762.34

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Solution

The fourth proportional to 8,759.08, 13,136.98 and 3,762.34 is: 5,642.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.08 : 13,136.98 = 3,762.34 : x
  2. Step 2: Convert to fraction form
    8,759.08/13,136.98 = 3,762.34/x
  3. Step 3: Cross multiply
    8,759.08x = 13,136.98 × 3,762.34
  4. Step 4: Simplify right side
    8,759.08x = 49,425,785.33
  5. Step 5: Solve for x
    x = 49,425,785.33/8,759.08
  6. Step 6: Final answer
    x = 5,642.81

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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.