Home / 4,218.76-6,314.37-3,814.57

Finding the Fourth Proportional to 4,218.76, 6,314.37 and 3,814.57

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Solution

The fourth proportional to 4,218.76, 6,314.37 and 3,814.57 is: 5,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.76 : 6,314.37 = 3,814.57 : x
  2. Step 2: Convert to fraction form
    4,218.76/6,314.37 = 3,814.57/x
  3. Step 3: Cross multiply
    4,218.76x = 6,314.37 × 3,814.57
  4. Step 4: Simplify right side
    4,218.76x = 24,086,606.37
  5. Step 5: Solve for x
    x = 24,086,606.37/4,218.76
  6. Step 6: Final answer
    x = 5,709.40

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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.