Home / 7,717.37-11,574.23-3,554.78

Finding the Fourth Proportional to 7,717.37, 11,574.23 and 3,554.78

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Solution

The fourth proportional to 7,717.37, 11,574.23 and 3,554.78 is: 5,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.37 : 11,574.23 = 3,554.78 : x
  2. Step 2: Convert to fraction form
    7,717.37/11,574.23 = 3,554.78/x
  3. Step 3: Cross multiply
    7,717.37x = 11,574.23 × 3,554.78
  4. Step 4: Simplify right side
    7,717.37x = 41,143,765.67
  5. Step 5: Solve for x
    x = 41,143,765.67/7,717.37
  6. Step 6: Final answer
    x = 5,331.32

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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.