Home / 8,064.38-11,129.13-4,709.34

Finding the Fourth Proportional to 8,064.38, 11,129.13 and 4,709.34

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Solution

The fourth proportional to 8,064.38, 11,129.13 and 4,709.34 is: 6,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.38 : 11,129.13 = 4,709.34 : x
  2. Step 2: Convert to fraction form
    8,064.38/11,129.13 = 4,709.34/x
  3. Step 3: Cross multiply
    8,064.38x = 11,129.13 × 4,709.34
  4. Step 4: Simplify right side
    8,064.38x = 52,410,857.07
  5. Step 5: Solve for x
    x = 52,410,857.07/8,064.38
  6. Step 6: Final answer
    x = 6,499.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.