Home / 6,108.29-8,429.49-3,313.81

Finding the Fourth Proportional to 6,108.29, 8,429.49 and 3,313.81

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Solution

The fourth proportional to 6,108.29, 8,429.49 and 3,313.81 is: 4,573.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.29 : 8,429.49 = 3,313.81 : x
  2. Step 2: Convert to fraction form
    6,108.29/8,429.49 = 3,313.81/x
  3. Step 3: Cross multiply
    6,108.29x = 8,429.49 × 3,313.81
  4. Step 4: Simplify right side
    6,108.29x = 27,933,711.69
  5. Step 5: Solve for x
    x = 27,933,711.69/6,108.29
  6. Step 6: Final answer
    x = 4,573.08

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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.