Home / 5,349.90-8,034.45-3,890.70

Finding the Fourth Proportional to 5,349.90, 8,034.45 and 3,890.70

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Solution

The fourth proportional to 5,349.90, 8,034.45 and 3,890.70 is: 5,843.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.90 : 8,034.45 = 3,890.70 : x
  2. Step 2: Convert to fraction form
    5,349.90/8,034.45 = 3,890.70/x
  3. Step 3: Cross multiply
    5,349.90x = 8,034.45 × 3,890.70
  4. Step 4: Simplify right side
    5,349.90x = 31,259,634.62
  5. Step 5: Solve for x
    x = 31,259,634.62/5,349.90
  6. Step 6: Final answer
    x = 5,843.03

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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.