Home / 5,418.70-7,478.26-3,061.26

Finding the Fourth Proportional to 5,418.70, 7,478.26 and 3,061.26

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Solution

The fourth proportional to 5,418.70, 7,478.26 and 3,061.26 is: 4,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.70 : 7,478.26 = 3,061.26 : x
  2. Step 2: Convert to fraction form
    5,418.70/7,478.26 = 3,061.26/x
  3. Step 3: Cross multiply
    5,418.70x = 7,478.26 × 3,061.26
  4. Step 4: Simplify right side
    5,418.70x = 22,892,898.21
  5. Step 5: Solve for x
    x = 22,892,898.21/5,418.70
  6. Step 6: Final answer
    x = 4,224.80

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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.