Home / 7,605.58-11,415.55-3,910.41

Finding the Fourth Proportional to 7,605.58, 11,415.55 and 3,910.41

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Solution

The fourth proportional to 7,605.58, 11,415.55 and 3,910.41 is: 5,869.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.58 : 11,415.55 = 3,910.41 : x
  2. Step 2: Convert to fraction form
    7,605.58/11,415.55 = 3,910.41/x
  3. Step 3: Cross multiply
    7,605.58x = 11,415.55 × 3,910.41
  4. Step 4: Simplify right side
    7,605.58x = 44,639,480.88
  5. Step 5: Solve for x
    x = 44,639,480.88/7,605.58
  6. Step 6: Final answer
    x = 5,869.31

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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.