Home / 7,118.97-10,669.77-5,039.57

Finding the Fourth Proportional to 7,118.97, 10,669.77 and 5,039.57

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Solution

The fourth proportional to 7,118.97, 10,669.77 and 5,039.57 is: 7,553.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.97 : 10,669.77 = 5,039.57 : x
  2. Step 2: Convert to fraction form
    7,118.97/10,669.77 = 5,039.57/x
  3. Step 3: Cross multiply
    7,118.97x = 10,669.77 × 5,039.57
  4. Step 4: Simplify right side
    7,118.97x = 53,771,052.80
  5. Step 5: Solve for x
    x = 53,771,052.80/7,118.97
  6. Step 6: Final answer
    x = 7,553.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.