Home / 4,212.10-6,313.03-2,979.87

Finding the Fourth Proportional to 4,212.10, 6,313.03 and 2,979.87

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Solution

The fourth proportional to 4,212.10, 6,313.03 and 2,979.87 is: 4,466.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.10 : 6,313.03 = 2,979.87 : x
  2. Step 2: Convert to fraction form
    4,212.10/6,313.03 = 2,979.87/x
  3. Step 3: Cross multiply
    4,212.10x = 6,313.03 × 2,979.87
  4. Step 4: Simplify right side
    4,212.10x = 18,811,977.58
  5. Step 5: Solve for x
    x = 18,811,977.58/4,212.10
  6. Step 6: Final answer
    x = 4,466.17

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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.