Home / 7,445.81-11,169.12-3,743.70

Finding the Fourth Proportional to 7,445.81, 11,169.12 and 3,743.70

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Solution

The fourth proportional to 7,445.81, 11,169.12 and 3,743.70 is: 5,615.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.81 : 11,169.12 = 3,743.70 : x
  2. Step 2: Convert to fraction form
    7,445.81/11,169.12 = 3,743.70/x
  3. Step 3: Cross multiply
    7,445.81x = 11,169.12 × 3,743.70
  4. Step 4: Simplify right side
    7,445.81x = 41,813,834.54
  5. Step 5: Solve for x
    x = 41,813,834.54/7,445.81
  6. Step 6: Final answer
    x = 5,615.76

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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.