Home / 5,340.39-8,010.59-3,493.06

Finding the Fourth Proportional to 5,340.39, 8,010.59 and 3,493.06

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Solution

The fourth proportional to 5,340.39, 8,010.59 and 3,493.06 is: 5,239.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.39 : 8,010.59 = 3,493.06 : x
  2. Step 2: Convert to fraction form
    5,340.39/8,010.59 = 3,493.06/x
  3. Step 3: Cross multiply
    5,340.39x = 8,010.59 × 3,493.06
  4. Step 4: Simplify right side
    5,340.39x = 27,981,505.96
  5. Step 5: Solve for x
    x = 27,981,505.96/5,340.39
  6. Step 6: Final answer
    x = 5,239.59

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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.