Home / 6,446.70-8,896.82-3,614.99

Finding the Fourth Proportional to 6,446.70, 8,896.82 and 3,614.99

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Solution

The fourth proportional to 6,446.70, 8,896.82 and 3,614.99 is: 4,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446.70 : 8,896.82 = 3,614.99 : x
  2. Step 2: Convert to fraction form
    6,446.70/8,896.82 = 3,614.99/x
  3. Step 3: Cross multiply
    6,446.70x = 8,896.82 × 3,614.99
  4. Step 4: Simplify right side
    6,446.70x = 32,161,871.74
  5. Step 5: Solve for x
    x = 32,161,871.74/6,446.70
  6. Step 6: Final answer
    x = 4,988.89

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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.