Home / 4,215.30-5,816.81-2,446.58

Finding the Fourth Proportional to 4,215.30, 5,816.81 and 2,446.58

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Solution

The fourth proportional to 4,215.30, 5,816.81 and 2,446.58 is: 3,376.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.30 : 5,816.81 = 2,446.58 : x
  2. Step 2: Convert to fraction form
    4,215.30/5,816.81 = 2,446.58/x
  3. Step 3: Cross multiply
    4,215.30x = 5,816.81 × 2,446.58
  4. Step 4: Simplify right side
    4,215.30x = 14,231,249.69
  5. Step 5: Solve for x
    x = 14,231,249.69/4,215.30
  6. Step 6: Final answer
    x = 3,376.09

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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.