Home / 8,169.49-12,258.29-3,239.02

Finding the Fourth Proportional to 8,169.49, 12,258.29 and 3,239.02

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Solution

The fourth proportional to 8,169.49, 12,258.29 and 3,239.02 is: 4,860.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.49 : 12,258.29 = 3,239.02 : x
  2. Step 2: Convert to fraction form
    8,169.49/12,258.29 = 3,239.02/x
  3. Step 3: Cross multiply
    8,169.49x = 12,258.29 × 3,239.02
  4. Step 4: Simplify right side
    8,169.49x = 39,704,846.48
  5. Step 5: Solve for x
    x = 39,704,846.48/8,169.49
  6. Step 6: Final answer
    x = 4,860.14

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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.