Home / 7,245.05-9,998.24-4,100.63

Finding the Fourth Proportional to 7,245.05, 9,998.24 and 4,100.63

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Solution

The fourth proportional to 7,245.05, 9,998.24 and 4,100.63 is: 5,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.05 : 9,998.24 = 4,100.63 : x
  2. Step 2: Convert to fraction form
    7,245.05/9,998.24 = 4,100.63/x
  3. Step 3: Cross multiply
    7,245.05x = 9,998.24 × 4,100.63
  4. Step 4: Simplify right side
    7,245.05x = 40,999,012.40
  5. Step 5: Solve for x
    x = 40,999,012.40/7,245.05
  6. Step 6: Final answer
    x = 5,658.90

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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.