Home / 7,448.72-11,173.12-2,518.38

Finding the Fourth Proportional to 7,448.72, 11,173.12 and 2,518.38

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Solution

The fourth proportional to 7,448.72, 11,173.12 and 2,518.38 is: 3,777.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.72 : 11,173.12 = 2,518.38 : x
  2. Step 2: Convert to fraction form
    7,448.72/11,173.12 = 2,518.38/x
  3. Step 3: Cross multiply
    7,448.72x = 11,173.12 × 2,518.38
  4. Step 4: Simplify right side
    7,448.72x = 28,138,155.65
  5. Step 5: Solve for x
    x = 28,138,155.65/7,448.72
  6. Step 6: Final answer
    x = 3,777.59

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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.