Home / 8,729.53-13,091.85-3,534.19

Finding the Fourth Proportional to 8,729.53, 13,091.85 and 3,534.19

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Solution

The fourth proportional to 8,729.53, 13,091.85 and 3,534.19 is: 5,300.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.53 : 13,091.85 = 3,534.19 : x
  2. Step 2: Convert to fraction form
    8,729.53/13,091.85 = 3,534.19/x
  3. Step 3: Cross multiply
    8,729.53x = 13,091.85 × 3,534.19
  4. Step 4: Simplify right side
    8,729.53x = 46,269,052.62
  5. Step 5: Solve for x
    x = 46,269,052.62/8,729.53
  6. Step 6: Final answer
    x = 5,300.29

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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.