Home / 7,768.22-11,642.60-6,118.25

Finding the Fourth Proportional to 7,768.22, 11,642.60 and 6,118.25

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Solution

The fourth proportional to 7,768.22, 11,642.60 and 6,118.25 is: 9,169.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.22 : 11,642.60 = 6,118.25 : x
  2. Step 2: Convert to fraction form
    7,768.22/11,642.60 = 6,118.25/x
  3. Step 3: Cross multiply
    7,768.22x = 11,642.60 × 6,118.25
  4. Step 4: Simplify right side
    7,768.22x = 71,232,337.45
  5. Step 5: Solve for x
    x = 71,232,337.45/7,768.22
  6. Step 6: Final answer
    x = 9,169.71

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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.