Home / 7,110.92-9,813.33-3,967.71

Finding the Fourth Proportional to 7,110.92, 9,813.33 and 3,967.71

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Solution

The fourth proportional to 7,110.92, 9,813.33 and 3,967.71 is: 5,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.92 : 9,813.33 = 3,967.71 : x
  2. Step 2: Convert to fraction form
    7,110.92/9,813.33 = 3,967.71/x
  3. Step 3: Cross multiply
    7,110.92x = 9,813.33 × 3,967.71
  4. Step 4: Simplify right side
    7,110.92x = 38,936,447.57
  5. Step 5: Solve for x
    x = 38,936,447.57/7,110.92
  6. Step 6: Final answer
    x = 5,475.59

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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.