Home / 3,663.63-5,485.08-3,317.61

Finding the Fourth Proportional to 3,663.63, 5,485.08 and 3,317.61

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Solution

The fourth proportional to 3,663.63, 5,485.08 and 3,317.61 is: 4,967.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.63 : 5,485.08 = 3,317.61 : x
  2. Step 2: Convert to fraction form
    3,663.63/5,485.08 = 3,317.61/x
  3. Step 3: Cross multiply
    3,663.63x = 5,485.08 × 3,317.61
  4. Step 4: Simplify right side
    3,663.63x = 18,197,356.26
  5. Step 5: Solve for x
    x = 18,197,356.26/3,663.63
  6. Step 6: Final answer
    x = 4,967.03

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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.