Home / 7,164.92-9,887.28-4,021.04

Finding the Fourth Proportional to 7,164.92, 9,887.28 and 4,021.04

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Solution

The fourth proportional to 7,164.92, 9,887.28 and 4,021.04 is: 5,548.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164.92 : 9,887.28 = 4,021.04 : x
  2. Step 2: Convert to fraction form
    7,164.92/9,887.28 = 4,021.04/x
  3. Step 3: Cross multiply
    7,164.92x = 9,887.28 × 4,021.04
  4. Step 4: Simplify right side
    7,164.92x = 39,757,148.37
  5. Step 5: Solve for x
    x = 39,757,148.37/7,164.92
  6. Step 6: Final answer
    x = 5,548.86

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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.