Home / 7,178.81-10,770.39-3,671.27

Finding the Fourth Proportional to 7,178.81, 10,770.39 and 3,671.27

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Solution

The fourth proportional to 7,178.81, 10,770.39 and 3,671.27 is: 5,508.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.81 : 10,770.39 = 3,671.27 : x
  2. Step 2: Convert to fraction form
    7,178.81/10,770.39 = 3,671.27/x
  3. Step 3: Cross multiply
    7,178.81x = 10,770.39 × 3,671.27
  4. Step 4: Simplify right side
    7,178.81x = 39,540,996.23
  5. Step 5: Solve for x
    x = 39,540,996.23/7,178.81
  6. Step 6: Final answer
    x = 5,508.02

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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.