Home / 5,005.86-7,508.78-3,057.60

Finding the Fourth Proportional to 5,005.86, 7,508.78 and 3,057.60

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Solution

The fourth proportional to 5,005.86, 7,508.78 and 3,057.60 is: 4,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.86 : 7,508.78 = 3,057.60 : x
  2. Step 2: Convert to fraction form
    5,005.86/7,508.78 = 3,057.60/x
  3. Step 3: Cross multiply
    5,005.86x = 7,508.78 × 3,057.60
  4. Step 4: Simplify right side
    5,005.86x = 22,958,845.73
  5. Step 5: Solve for x
    x = 22,958,845.73/5,005.86
  6. Step 6: Final answer
    x = 4,586.39

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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.