Home / 7,176.33-10,762.40-2,792.75

Finding the Fourth Proportional to 7,176.33, 10,762.40 and 2,792.75

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Solution

The fourth proportional to 7,176.33, 10,762.40 and 2,792.75 is: 4,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.33 : 10,762.40 = 2,792.75 : x
  2. Step 2: Convert to fraction form
    7,176.33/10,762.40 = 2,792.75/x
  3. Step 3: Cross multiply
    7,176.33x = 10,762.40 × 2,792.75
  4. Step 4: Simplify right side
    7,176.33x = 30,056,645.77
  5. Step 5: Solve for x
    x = 30,056,645.77/7,176.33
  6. Step 6: Final answer
    x = 4,188.30

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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.