Home / 8,129.42-11,218.96-4,592.66

Finding the Fourth Proportional to 8,129.42, 11,218.96 and 4,592.66

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Solution

The fourth proportional to 8,129.42, 11,218.96 and 4,592.66 is: 6,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129.42 : 11,218.96 = 4,592.66 : x
  2. Step 2: Convert to fraction form
    8,129.42/11,218.96 = 4,592.66/x
  3. Step 3: Cross multiply
    8,129.42x = 11,218.96 × 4,592.66
  4. Step 4: Simplify right side
    8,129.42x = 51,524,868.83
  5. Step 5: Solve for x
    x = 51,524,868.83/8,129.42
  6. Step 6: Final answer
    x = 6,338.07

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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.