Home / 8,120.84-11,207.24-4,535.79

Finding the Fourth Proportional to 8,120.84, 11,207.24 and 4,535.79

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Solution

The fourth proportional to 8,120.84, 11,207.24 and 4,535.79 is: 6,259.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.84 : 11,207.24 = 4,535.79 : x
  2. Step 2: Convert to fraction form
    8,120.84/11,207.24 = 4,535.79/x
  3. Step 3: Cross multiply
    8,120.84x = 11,207.24 × 4,535.79
  4. Step 4: Simplify right side
    8,120.84x = 50,833,664.44
  5. Step 5: Solve for x
    x = 50,833,664.44/8,120.84
  6. Step 6: Final answer
    x = 6,259.66

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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.