Home / 8,709.35-13,064.03-2,135.60

Finding the Fourth Proportional to 8,709.35, 13,064.03 and 2,135.60

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Solution

The fourth proportional to 8,709.35, 13,064.03 and 2,135.60 is: 3,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.35 : 13,064.03 = 2,135.60 : x
  2. Step 2: Convert to fraction form
    8,709.35/13,064.03 = 2,135.60/x
  3. Step 3: Cross multiply
    8,709.35x = 13,064.03 × 2,135.60
  4. Step 4: Simplify right side
    8,709.35x = 27,899,542.47
  5. Step 5: Solve for x
    x = 27,899,542.47/8,709.35
  6. Step 6: Final answer
    x = 3,203.40

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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.