Home / 7,758.18-11,620.26-5,571.18

Finding the Fourth Proportional to 7,758.18, 11,620.26 and 5,571.18

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Solution

The fourth proportional to 7,758.18, 11,620.26 and 5,571.18 is: 8,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.18 : 11,620.26 = 5,571.18 : x
  2. Step 2: Convert to fraction form
    7,758.18/11,620.26 = 5,571.18/x
  3. Step 3: Cross multiply
    7,758.18x = 11,620.26 × 5,571.18
  4. Step 4: Simplify right side
    7,758.18x = 64,738,560.11
  5. Step 5: Solve for x
    x = 64,738,560.11/7,758.18
  6. Step 6: Final answer
    x = 8,344.56

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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.