Home / 7,176.08-10,759.71-2,788.41

Finding the Fourth Proportional to 7,176.08, 10,759.71 and 2,788.41

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Solution

The fourth proportional to 7,176.08, 10,759.71 and 2,788.41 is: 4,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.08 : 10,759.71 = 2,788.41 : x
  2. Step 2: Convert to fraction form
    7,176.08/10,759.71 = 2,788.41/x
  3. Step 3: Cross multiply
    7,176.08x = 10,759.71 × 2,788.41
  4. Step 4: Simplify right side
    7,176.08x = 30,002,482.96
  5. Step 5: Solve for x
    x = 30,002,482.96/7,176.08
  6. Step 6: Final answer
    x = 4,180.90

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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.