Home / 5,664.38-7,816.46-3,427.49

Finding the Fourth Proportional to 5,664.38, 7,816.46 and 3,427.49

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Solution

The fourth proportional to 5,664.38, 7,816.46 and 3,427.49 is: 4,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.38 : 7,816.46 = 3,427.49 : x
  2. Step 2: Convert to fraction form
    5,664.38/7,816.46 = 3,427.49/x
  3. Step 3: Cross multiply
    5,664.38x = 7,816.46 × 3,427.49
  4. Step 4: Simplify right side
    5,664.38x = 26,790,782.27
  5. Step 5: Solve for x
    x = 26,790,782.27/5,664.38
  6. Step 6: Final answer
    x = 4,729.70

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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.