Home / 7,176.27-10,744.35-3,877.55

Finding the Fourth Proportional to 7,176.27, 10,744.35 and 3,877.55

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Solution

The fourth proportional to 7,176.27, 10,744.35 and 3,877.55 is: 5,805.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.27 : 10,744.35 = 3,877.55 : x
  2. Step 2: Convert to fraction form
    7,176.27/10,744.35 = 3,877.55/x
  3. Step 3: Cross multiply
    7,176.27x = 10,744.35 × 3,877.55
  4. Step 4: Simplify right side
    7,176.27x = 41,661,754.34
  5. Step 5: Solve for x
    x = 41,661,754.34/7,176.27
  6. Step 6: Final answer
    x = 5,805.49

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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.