Home / 5,129.13-7,073.50-3,361.71

Finding the Fourth Proportional to 5,129.13, 7,073.50 and 3,361.71

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Solution

The fourth proportional to 5,129.13, 7,073.50 and 3,361.71 is: 4,636.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.13 : 7,073.50 = 3,361.71 : x
  2. Step 2: Convert to fraction form
    5,129.13/7,073.50 = 3,361.71/x
  3. Step 3: Cross multiply
    5,129.13x = 7,073.50 × 3,361.71
  4. Step 4: Simplify right side
    5,129.13x = 23,779,072.93
  5. Step 5: Solve for x
    x = 23,779,072.93/5,129.13
  6. Step 6: Final answer
    x = 4,636.08

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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.