Home / 7,658.13-11,485.78-2,110.75

Finding the Fourth Proportional to 7,658.13, 11,485.78 and 2,110.75

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Solution

The fourth proportional to 7,658.13, 11,485.78 and 2,110.75 is: 3,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658.13 : 11,485.78 = 2,110.75 : x
  2. Step 2: Convert to fraction form
    7,658.13/11,485.78 = 2,110.75/x
  3. Step 3: Cross multiply
    7,658.13x = 11,485.78 × 2,110.75
  4. Step 4: Simplify right side
    7,658.13x = 24,243,610.14
  5. Step 5: Solve for x
    x = 24,243,610.14/7,658.13
  6. Step 6: Final answer
    x = 3,165.73

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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.