Home / 7,189.23-10,761.54-3,894.15

Finding the Fourth Proportional to 7,189.23, 10,761.54 and 3,894.15

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Solution

The fourth proportional to 7,189.23, 10,761.54 and 3,894.15 is: 5,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.23 : 10,761.54 = 3,894.15 : x
  2. Step 2: Convert to fraction form
    7,189.23/10,761.54 = 3,894.15/x
  3. Step 3: Cross multiply
    7,189.23x = 10,761.54 × 3,894.15
  4. Step 4: Simplify right side
    7,189.23x = 41,907,050.99
  5. Step 5: Solve for x
    x = 41,907,050.99/7,189.23
  6. Step 6: Final answer
    x = 5,829.14

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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.