Home / 8,754.62-13,131.84-2,180.75

Finding the Fourth Proportional to 8,754.62, 13,131.84 and 2,180.75

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Solution

The fourth proportional to 8,754.62, 13,131.84 and 2,180.75 is: 3,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.62 : 13,131.84 = 2,180.75 : x
  2. Step 2: Convert to fraction form
    8,754.62/13,131.84 = 2,180.75/x
  3. Step 3: Cross multiply
    8,754.62x = 13,131.84 × 2,180.75
  4. Step 4: Simplify right side
    8,754.62x = 28,637,194.42
  5. Step 5: Solve for x
    x = 28,637,194.42/8,754.62
  6. Step 6: Final answer
    x = 3,271.10

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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.