Home / 8,540.76-12,809.60-2,299.34

Finding the Fourth Proportional to 8,540.76, 12,809.60 and 2,299.34

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Solution

The fourth proportional to 8,540.76, 12,809.60 and 2,299.34 is: 3,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.76 : 12,809.60 = 2,299.34 : x
  2. Step 2: Convert to fraction form
    8,540.76/12,809.60 = 2,299.34/x
  3. Step 3: Cross multiply
    8,540.76x = 12,809.60 × 2,299.34
  4. Step 4: Simplify right side
    8,540.76x = 29,453,625.66
  5. Step 5: Solve for x
    x = 29,453,625.66/8,540.76
  6. Step 6: Final answer
    x = 3,448.60

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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.