Home / 7,682.47-11,505.24-4,385.56

Finding the Fourth Proportional to 7,682.47, 11,505.24 and 4,385.56

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Solution

The fourth proportional to 7,682.47, 11,505.24 and 4,385.56 is: 6,567.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682.47 : 11,505.24 = 4,385.56 : x
  2. Step 2: Convert to fraction form
    7,682.47/11,505.24 = 4,385.56/x
  3. Step 3: Cross multiply
    7,682.47x = 11,505.24 × 4,385.56
  4. Step 4: Simplify right side
    7,682.47x = 50,456,920.33
  5. Step 5: Solve for x
    x = 50,456,920.33/7,682.47
  6. Step 6: Final answer
    x = 6,567.80

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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.