Home / 7,406.10-11,109.73-2,475.75

Finding the Fourth Proportional to 7,406.10, 11,109.73 and 2,475.75

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Solution

The fourth proportional to 7,406.10, 11,109.73 and 2,475.75 is: 3,713.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.10 : 11,109.73 = 2,475.75 : x
  2. Step 2: Convert to fraction form
    7,406.10/11,109.73 = 2,475.75/x
  3. Step 3: Cross multiply
    7,406.10x = 11,109.73 × 2,475.75
  4. Step 4: Simplify right side
    7,406.10x = 27,504,914.05
  5. Step 5: Solve for x
    x = 27,504,914.05/7,406.10
  6. Step 6: Final answer
    x = 3,713.82

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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.