Home / 4,215.60-5,815.11-2,446.98

Finding the Fourth Proportional to 4,215.60, 5,815.11 and 2,446.98

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Solution

The fourth proportional to 4,215.60, 5,815.11 and 2,446.98 is: 3,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.60 : 5,815.11 = 2,446.98 : x
  2. Step 2: Convert to fraction form
    4,215.60/5,815.11 = 2,446.98/x
  3. Step 3: Cross multiply
    4,215.60x = 5,815.11 × 2,446.98
  4. Step 4: Simplify right side
    4,215.60x = 14,229,457.87
  5. Step 5: Solve for x
    x = 14,229,457.87/4,215.60
  6. Step 6: Final answer
    x = 3,375.43

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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.