Home / 8,119.39-12,173.13-2,569.63

Finding the Fourth Proportional to 8,119.39, 12,173.13 and 2,569.63

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Solution

The fourth proportional to 8,119.39, 12,173.13 and 2,569.63 is: 3,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.39 : 12,173.13 = 2,569.63 : x
  2. Step 2: Convert to fraction form
    8,119.39/12,173.13 = 2,569.63/x
  3. Step 3: Cross multiply
    8,119.39x = 12,173.13 × 2,569.63
  4. Step 4: Simplify right side
    8,119.39x = 31,280,379.18
  5. Step 5: Solve for x
    x = 31,280,379.18/8,119.39
  6. Step 6: Final answer
    x = 3,852.56

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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.