Home / 8,172.93-12,256.36-2,624.84

Finding the Fourth Proportional to 8,172.93, 12,256.36 and 2,624.84

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Solution

The fourth proportional to 8,172.93, 12,256.36 and 2,624.84 is: 3,936.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.93 : 12,256.36 = 2,624.84 : x
  2. Step 2: Convert to fraction form
    8,172.93/12,256.36 = 2,624.84/x
  3. Step 3: Cross multiply
    8,172.93x = 12,256.36 × 2,624.84
  4. Step 4: Simplify right side
    8,172.93x = 32,170,983.98
  5. Step 5: Solve for x
    x = 32,170,983.98/8,172.93
  6. Step 6: Final answer
    x = 3,936.29

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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.