Home / 8,125.70-12,189.02-2,282.76

Finding the Fourth Proportional to 8,125.70, 12,189.02 and 2,282.76

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Solution

The fourth proportional to 8,125.70, 12,189.02 and 2,282.76 is: 3,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.70 : 12,189.02 = 2,282.76 : x
  2. Step 2: Convert to fraction form
    8,125.70/12,189.02 = 2,282.76/x
  3. Step 3: Cross multiply
    8,125.70x = 12,189.02 × 2,282.76
  4. Step 4: Simplify right side
    8,125.70x = 27,824,595.88
  5. Step 5: Solve for x
    x = 27,824,595.88/8,125.70
  6. Step 6: Final answer
    x = 3,424.27

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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.