Home / 7,845.16-11,767.58-3,165.07

Finding the Fourth Proportional to 7,845.16, 11,767.58 and 3,165.07

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Solution

The fourth proportional to 7,845.16, 11,767.58 and 3,165.07 is: 4,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.16 : 11,767.58 = 3,165.07 : x
  2. Step 2: Convert to fraction form
    7,845.16/11,767.58 = 3,165.07/x
  3. Step 3: Cross multiply
    7,845.16x = 11,767.58 × 3,165.07
  4. Step 4: Simplify right side
    7,845.16x = 37,245,214.43
  5. Step 5: Solve for x
    x = 37,245,214.43/7,845.16
  6. Step 6: Final answer
    x = 4,747.54

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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.