Home / 4,272.49-5,890.35-3,835.09

Finding the Fourth Proportional to 4,272.49, 5,890.35 and 3,835.09

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Solution

The fourth proportional to 4,272.49, 5,890.35 and 3,835.09 is: 5,287.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.49 : 5,890.35 = 3,835.09 : x
  2. Step 2: Convert to fraction form
    4,272.49/5,890.35 = 3,835.09/x
  3. Step 3: Cross multiply
    4,272.49x = 5,890.35 × 3,835.09
  4. Step 4: Simplify right side
    4,272.49x = 22,590,022.38
  5. Step 5: Solve for x
    x = 22,590,022.38/4,272.49
  6. Step 6: Final answer
    x = 5,287.32

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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.