Home / 4,453.08-6,682.89-1,989.54

Finding the Fourth Proportional to 4,453.08, 6,682.89 and 1,989.54

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Solution

The fourth proportional to 4,453.08, 6,682.89 and 1,989.54 is: 2,985.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.08 : 6,682.89 = 1,989.54 : x
  2. Step 2: Convert to fraction form
    4,453.08/6,682.89 = 1,989.54/x
  3. Step 3: Cross multiply
    4,453.08x = 6,682.89 × 1,989.54
  4. Step 4: Simplify right side
    4,453.08x = 13,295,876.97
  5. Step 5: Solve for x
    x = 13,295,876.97/4,453.08
  6. Step 6: Final answer
    x = 2,985.77

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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.