Home / 4,012.30-5,538.49-3,591.89

Finding the Fourth Proportional to 4,012.30, 5,538.49 and 3,591.89

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Solution

The fourth proportional to 4,012.30, 5,538.49 and 3,591.89 is: 4,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.30 : 5,538.49 = 3,591.89 : x
  2. Step 2: Convert to fraction form
    4,012.30/5,538.49 = 3,591.89/x
  3. Step 3: Cross multiply
    4,012.30x = 5,538.49 × 3,591.89
  4. Step 4: Simplify right side
    4,012.30x = 19,893,646.85
  5. Step 5: Solve for x
    x = 19,893,646.85/4,012.30
  6. Step 6: Final answer
    x = 4,958.17

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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.