Home / 5,398.86-7,450.41-3,160.29

Finding the Fourth Proportional to 5,398.86, 7,450.41 and 3,160.29

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Solution

The fourth proportional to 5,398.86, 7,450.41 and 3,160.29 is: 4,361.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.86 : 7,450.41 = 3,160.29 : x
  2. Step 2: Convert to fraction form
    5,398.86/7,450.41 = 3,160.29/x
  3. Step 3: Cross multiply
    5,398.86x = 7,450.41 × 3,160.29
  4. Step 4: Simplify right side
    5,398.86x = 23,545,496.01
  5. Step 5: Solve for x
    x = 23,545,496.01/5,398.86
  6. Step 6: Final answer
    x = 4,361.19

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1.5x scale

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.