Home / 5,814.70-8,021.46-3,455.17

Finding the Fourth Proportional to 5,814.70, 8,021.46 and 3,455.17

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Solution

The fourth proportional to 5,814.70, 8,021.46 and 3,455.17 is: 4,766.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.70 : 8,021.46 = 3,455.17 : x
  2. Step 2: Convert to fraction form
    5,814.70/8,021.46 = 3,455.17/x
  3. Step 3: Cross multiply
    5,814.70x = 8,021.46 × 3,455.17
  4. Step 4: Simplify right side
    5,814.70x = 27,715,500.85
  5. Step 5: Solve for x
    x = 27,715,500.85/5,814.70
  6. Step 6: Final answer
    x = 4,766.46

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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.