Home / 8,693.48-13,040.22-2,119.73

Finding the Fourth Proportional to 8,693.48, 13,040.22 and 2,119.73

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Solution

The fourth proportional to 8,693.48, 13,040.22 and 2,119.73 is: 3,179.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.48 : 13,040.22 = 2,119.73 : x
  2. Step 2: Convert to fraction form
    8,693.48/13,040.22 = 2,119.73/x
  3. Step 3: Cross multiply
    8,693.48x = 13,040.22 × 2,119.73
  4. Step 4: Simplify right side
    8,693.48x = 27,641,680.34
  5. Step 5: Solve for x
    x = 27,641,680.34/8,693.48
  6. Step 6: Final answer
    x = 3,179.59

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Double scale
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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.