Home / 7,255.50-10,013.82-4,113.54

Finding the Fourth Proportional to 7,255.50, 10,013.82 and 4,113.54

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Solution

The fourth proportional to 7,255.50, 10,013.82 and 4,113.54 is: 5,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.50 : 10,013.82 = 4,113.54 : x
  2. Step 2: Convert to fraction form
    7,255.50/10,013.82 = 4,113.54/x
  3. Step 3: Cross multiply
    7,255.50x = 10,013.82 × 4,113.54
  4. Step 4: Simplify right side
    7,255.50x = 41,192,249.12
  5. Step 5: Solve for x
    x = 41,192,249.12/7,255.50
  6. Step 6: Final answer
    x = 5,677.38

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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.