Home / 8,718.35-13,074.24-3,170.32

Finding the Fourth Proportional to 8,718.35, 13,074.24 and 3,170.32

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Solution

The fourth proportional to 8,718.35, 13,074.24 and 3,170.32 is: 4,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.35 : 13,074.24 = 3,170.32 : x
  2. Step 2: Convert to fraction form
    8,718.35/13,074.24 = 3,170.32/x
  3. Step 3: Cross multiply
    8,718.35x = 13,074.24 × 3,170.32
  4. Step 4: Simplify right side
    8,718.35x = 41,449,503.76
  5. Step 5: Solve for x
    x = 41,449,503.76/8,718.35
  6. Step 6: Final answer
    x = 4,754.29

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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.