Home / 5,495.38-8,239.75-2,159.64

Finding the Fourth Proportional to 5,495.38, 8,239.75 and 2,159.64

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Solution

The fourth proportional to 5,495.38, 8,239.75 and 2,159.64 is: 3,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.38 : 8,239.75 = 2,159.64 : x
  2. Step 2: Convert to fraction form
    5,495.38/8,239.75 = 2,159.64/x
  3. Step 3: Cross multiply
    5,495.38x = 8,239.75 × 2,159.64
  4. Step 4: Simplify right side
    5,495.38x = 17,794,857.39
  5. Step 5: Solve for x
    x = 17,794,857.39/5,495.38
  6. Step 6: Final answer
    x = 3,238.15

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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.