Home / 5,905.13-8,149.14-3,546.81

Finding the Fourth Proportional to 5,905.13, 8,149.14 and 3,546.81

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Solution

The fourth proportional to 5,905.13, 8,149.14 and 3,546.81 is: 4,894.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.13 : 8,149.14 = 3,546.81 : x
  2. Step 2: Convert to fraction form
    5,905.13/8,149.14 = 3,546.81/x
  3. Step 3: Cross multiply
    5,905.13x = 8,149.14 × 3,546.81
  4. Step 4: Simplify right side
    5,905.13x = 28,903,451.24
  5. Step 5: Solve for x
    x = 28,903,451.24/5,905.13
  6. Step 6: Final answer
    x = 4,894.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.