Home / 8,169.39-12,243.29-2,970.27

Finding the Fourth Proportional to 8,169.39, 12,243.29 and 2,970.27

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Solution

The fourth proportional to 8,169.39, 12,243.29 and 2,970.27 is: 4,451.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.39 : 12,243.29 = 2,970.27 : x
  2. Step 2: Convert to fraction form
    8,169.39/12,243.29 = 2,970.27/x
  3. Step 3: Cross multiply
    8,169.39x = 12,243.29 × 2,970.27
  4. Step 4: Simplify right side
    8,169.39x = 36,365,862.14
  5. Step 5: Solve for x
    x = 36,365,862.14/8,169.39
  6. Step 6: Final answer
    x = 4,451.48

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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.