Home / 7,426.55-11,138.43-3,727.78

Finding the Fourth Proportional to 7,426.55, 11,138.43 and 3,727.78

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Solution

The fourth proportional to 7,426.55, 11,138.43 and 3,727.78 is: 5,590.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.55 : 11,138.43 = 3,727.78 : x
  2. Step 2: Convert to fraction form
    7,426.55/11,138.43 = 3,727.78/x
  3. Step 3: Cross multiply
    7,426.55x = 11,138.43 × 3,727.78
  4. Step 4: Simplify right side
    7,426.55x = 41,521,616.59
  5. Step 5: Solve for x
    x = 41,521,616.59/7,426.55
  6. Step 6: Final answer
    x = 5,590.97

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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.