Home / 7,426.70-11,138.24-2,160.30

Finding the Fourth Proportional to 7,426.70, 11,138.24 and 2,160.30

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Solution

The fourth proportional to 7,426.70, 11,138.24 and 2,160.30 is: 3,239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.70 : 11,138.24 = 2,160.30 : x
  2. Step 2: Convert to fraction form
    7,426.70/11,138.24 = 2,160.30/x
  3. Step 3: Cross multiply
    7,426.70x = 11,138.24 × 2,160.30
  4. Step 4: Simplify right side
    7,426.70x = 24,061,939.87
  5. Step 5: Solve for x
    x = 24,061,939.87/7,426.70
  6. Step 6: Final answer
    x = 3,239.92

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1.5x scale

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.