Home / 8,693.27-13,039.92-2,119.44

Finding the Fourth Proportional to 8,693.27, 13,039.92 and 2,119.44

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Solution

The fourth proportional to 8,693.27, 13,039.92 and 2,119.44 is: 3,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.27 : 13,039.92 = 2,119.44 : x
  2. Step 2: Convert to fraction form
    8,693.27/13,039.92 = 2,119.44/x
  3. Step 3: Cross multiply
    8,693.27x = 13,039.92 × 2,119.44
  4. Step 4: Simplify right side
    8,693.27x = 27,637,328.04
  5. Step 5: Solve for x
    x = 27,637,328.04/8,693.27
  6. Step 6: Final answer
    x = 3,179.17

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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.