Home / 7,355.26-10,149.84-3,998.06

Finding the Fourth Proportional to 7,355.26, 10,149.84 and 3,998.06

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Solution

The fourth proportional to 7,355.26, 10,149.84 and 3,998.06 is: 5,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.26 : 10,149.84 = 3,998.06 : x
  2. Step 2: Convert to fraction form
    7,355.26/10,149.84 = 3,998.06/x
  3. Step 3: Cross multiply
    7,355.26x = 10,149.84 × 3,998.06
  4. Step 4: Simplify right side
    7,355.26x = 40,579,669.31
  5. Step 5: Solve for x
    x = 40,579,669.31/7,355.26
  6. Step 6: Final answer
    x = 5,517.10

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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.