Home / 5,317.38-7,342.29-3,429.90

Finding the Fourth Proportional to 5,317.38, 7,342.29 and 3,429.90

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Solution

The fourth proportional to 5,317.38, 7,342.29 and 3,429.90 is: 4,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.38 : 7,342.29 = 3,429.90 : x
  2. Step 2: Convert to fraction form
    5,317.38/7,342.29 = 3,429.90/x
  3. Step 3: Cross multiply
    5,317.38x = 7,342.29 × 3,429.90
  4. Step 4: Simplify right side
    5,317.38x = 25,183,320.47
  5. Step 5: Solve for x
    x = 25,183,320.47/5,317.38
  6. Step 6: Final answer
    x = 4,736.04

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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.