Home / 6,930.42-9,564.12-3,786.81

Finding the Fourth Proportional to 6,930.42, 9,564.12 and 3,786.81

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Solution

The fourth proportional to 6,930.42, 9,564.12 and 3,786.81 is: 5,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.42 : 9,564.12 = 3,786.81 : x
  2. Step 2: Convert to fraction form
    6,930.42/9,564.12 = 3,786.81/x
  3. Step 3: Cross multiply
    6,930.42x = 9,564.12 × 3,786.81
  4. Step 4: Simplify right side
    6,930.42x = 36,217,505.26
  5. Step 5: Solve for x
    x = 36,217,505.26/6,930.42
  6. Step 6: Final answer
    x = 5,225.87

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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.