Home / 6,863.75-9,474.60-4,214.76

Finding the Fourth Proportional to 6,863.75, 9,474.60 and 4,214.76

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Solution

The fourth proportional to 6,863.75, 9,474.60 and 4,214.76 is: 5,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,863.75 : 9,474.60 = 4,214.76 : x
  2. Step 2: Convert to fraction form
    6,863.75/9,474.60 = 4,214.76/x
  3. Step 3: Cross multiply
    6,863.75x = 9,474.60 × 4,214.76
  4. Step 4: Simplify right side
    6,863.75x = 39,933,165.10
  5. Step 5: Solve for x
    x = 39,933,165.10/6,863.75
  6. Step 6: Final answer
    x = 5,817.98

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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.