Home / 6,606.78-9,910.77-2,391.09

Finding the Fourth Proportional to 6,606.78, 9,910.77 and 2,391.09

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Solution

The fourth proportional to 6,606.78, 9,910.77 and 2,391.09 is: 3,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.78 : 9,910.77 = 2,391.09 : x
  2. Step 2: Convert to fraction form
    6,606.78/9,910.77 = 2,391.09/x
  3. Step 3: Cross multiply
    6,606.78x = 9,910.77 × 2,391.09
  4. Step 4: Simplify right side
    6,606.78x = 23,697,543.04
  5. Step 5: Solve for x
    x = 23,697,543.04/6,606.78
  6. Step 6: Final answer
    x = 3,586.85

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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.