Home / 8,126.04-12,190.89-2,579.57

Finding the Fourth Proportional to 8,126.04, 12,190.89 and 2,579.57

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Solution

The fourth proportional to 8,126.04, 12,190.89 and 2,579.57 is: 3,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.04 : 12,190.89 = 2,579.57 : x
  2. Step 2: Convert to fraction form
    8,126.04/12,190.89 = 2,579.57/x
  3. Step 3: Cross multiply
    8,126.04x = 12,190.89 × 2,579.57
  4. Step 4: Simplify right side
    8,126.04x = 31,447,254.12
  5. Step 5: Solve for x
    x = 31,447,254.12/8,126.04
  6. Step 6: Final answer
    x = 3,869.94

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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.