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Finding the Fourth Proportional to 5,404.26, 7,457.86 and 2,920.26

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Solution

The fourth proportional to 5,404.26, 7,457.86 and 2,920.26 is: 4,029.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.26 : 7,457.86 = 2,920.26 : x
  2. Step 2: Convert to fraction form
    5,404.26/7,457.86 = 2,920.26/x
  3. Step 3: Cross multiply
    5,404.26x = 7,457.86 × 2,920.26
  4. Step 4: Simplify right side
    5,404.26x = 21,778,890.24
  5. Step 5: Solve for x
    x = 21,778,890.24/5,404.26
  6. Step 6: Final answer
    x = 4,029.95

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