Home / 6,169.02-8,511.38-3,651.36

Finding the Fourth Proportional to 6,169.02, 8,511.38 and 3,651.36

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Solution

The fourth proportional to 6,169.02, 8,511.38 and 3,651.36 is: 5,037.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,169.02 : 8,511.38 = 3,651.36 : x
  2. Step 2: Convert to fraction form
    6,169.02/8,511.38 = 3,651.36/x
  3. Step 3: Cross multiply
    6,169.02x = 8,511.38 × 3,651.36
  4. Step 4: Simplify right side
    6,169.02x = 31,078,112.48
  5. Step 5: Solve for x
    x = 31,078,112.48/6,169.02
  6. Step 6: Final answer
    x = 5,037.77

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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.