Home / 6,942.81-9,581.22-4,110.14

Finding the Fourth Proportional to 6,942.81, 9,581.22 and 4,110.14

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Solution

The fourth proportional to 6,942.81, 9,581.22 and 4,110.14 is: 5,672.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.81 : 9,581.22 = 4,110.14 : x
  2. Step 2: Convert to fraction form
    6,942.81/9,581.22 = 4,110.14/x
  3. Step 3: Cross multiply
    6,942.81x = 9,581.22 × 4,110.14
  4. Step 4: Simplify right side
    6,942.81x = 39,380,136.23
  5. Step 5: Solve for x
    x = 39,380,136.23/6,942.81
  6. Step 6: Final answer
    x = 5,672.07

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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.