Home / 7,451.54-11,176.43-2,521.16

Finding the Fourth Proportional to 7,451.54, 11,176.43 and 2,521.16

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Solution

The fourth proportional to 7,451.54, 11,176.43 and 2,521.16 is: 3,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.54 : 11,176.43 = 2,521.16 : x
  2. Step 2: Convert to fraction form
    7,451.54/11,176.43 = 2,521.16/x
  3. Step 3: Cross multiply
    7,451.54x = 11,176.43 × 2,521.16
  4. Step 4: Simplify right side
    7,451.54x = 28,177,568.26
  5. Step 5: Solve for x
    x = 28,177,568.26/7,451.54
  6. Step 6: Final answer
    x = 3,781.44

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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.