Home / 8,790.49-13,185.73-3,596.36

Finding the Fourth Proportional to 8,790.49, 13,185.73 and 3,596.36

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Solution

The fourth proportional to 8,790.49, 13,185.73 and 3,596.36 is: 5,394.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.49 : 13,185.73 = 3,596.36 : x
  2. Step 2: Convert to fraction form
    8,790.49/13,185.73 = 3,596.36/x
  3. Step 3: Cross multiply
    8,790.49x = 13,185.73 × 3,596.36
  4. Step 4: Simplify right side
    8,790.49x = 47,420,631.94
  5. Step 5: Solve for x
    x = 47,420,631.94/8,790.49
  6. Step 6: Final answer
    x = 5,394.54

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Double scale
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Similar ratio
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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.