Home / 8,146.09-12,220.95-2,599.75

Finding the Fourth Proportional to 8,146.09, 12,220.95 and 2,599.75

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Solution

The fourth proportional to 8,146.09, 12,220.95 and 2,599.75 is: 3,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.09 : 12,220.95 = 2,599.75 : x
  2. Step 2: Convert to fraction form
    8,146.09/12,220.95 = 2,599.75/x
  3. Step 3: Cross multiply
    8,146.09x = 12,220.95 × 2,599.75
  4. Step 4: Simplify right side
    8,146.09x = 31,771,353.66
  5. Step 5: Solve for x
    x = 31,771,353.66/8,146.09
  6. Step 6: Final answer
    x = 3,900.20

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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.