Home / 6,661.30-9,192.55-3,636.41

Finding the Fourth Proportional to 6,661.30, 9,192.55 and 3,636.41

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Solution

The fourth proportional to 6,661.30, 9,192.55 and 3,636.41 is: 5,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.30 : 9,192.55 = 3,636.41 : x
  2. Step 2: Convert to fraction form
    6,661.30/9,192.55 = 3,636.41/x
  3. Step 3: Cross multiply
    6,661.30x = 9,192.55 × 3,636.41
  4. Step 4: Simplify right side
    6,661.30x = 33,427,866.98
  5. Step 5: Solve for x
    x = 33,427,866.98/6,661.30
  6. Step 6: Final answer
    x = 5,018.22

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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.