Home / 8,286.15-11,434.75-4,509.35

Finding the Fourth Proportional to 8,286.15, 11,434.75 and 4,509.35

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Solution

The fourth proportional to 8,286.15, 11,434.75 and 4,509.35 is: 6,222.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.15 : 11,434.75 = 4,509.35 : x
  2. Step 2: Convert to fraction form
    8,286.15/11,434.75 = 4,509.35/x
  3. Step 3: Cross multiply
    8,286.15x = 11,434.75 × 4,509.35
  4. Step 4: Simplify right side
    8,286.15x = 51,563,289.91
  5. Step 5: Solve for x
    x = 51,563,289.91/8,286.15
  6. Step 6: Final answer
    x = 6,222.83

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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.