Home / 7,495.12-11,255.45-7,181.65

Finding the Fourth Proportional to 7,495.12, 11,255.45 and 7,181.65

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Solution

The fourth proportional to 7,495.12, 11,255.45 and 7,181.65 is: 10,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.12 : 11,255.45 = 7,181.65 : x
  2. Step 2: Convert to fraction form
    7,495.12/11,255.45 = 7,181.65/x
  3. Step 3: Cross multiply
    7,495.12x = 11,255.45 × 7,181.65
  4. Step 4: Simplify right side
    7,495.12x = 80,832,680.65
  5. Step 5: Solve for x
    x = 80,832,680.65/7,495.12
  6. Step 6: Final answer
    x = 10,784.71

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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.