Home / 8,753.35-13,129.47-3,559.09

Finding the Fourth Proportional to 8,753.35, 13,129.47 and 3,559.09

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Solution

The fourth proportional to 8,753.35, 13,129.47 and 3,559.09 is: 5,338.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.35 : 13,129.47 = 3,559.09 : x
  2. Step 2: Convert to fraction form
    8,753.35/13,129.47 = 3,559.09/x
  3. Step 3: Cross multiply
    8,753.35x = 13,129.47 × 3,559.09
  4. Step 4: Simplify right side
    8,753.35x = 46,728,965.38
  5. Step 5: Solve for x
    x = 46,728,965.38/8,753.35
  6. Step 6: Final answer
    x = 5,338.41

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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.