Home / 5,539.28-8,306.78-2,161.66

Finding the Fourth Proportional to 5,539.28, 8,306.78 and 2,161.66

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Solution

The fourth proportional to 5,539.28, 8,306.78 and 2,161.66 is: 3,241.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.28 : 8,306.78 = 2,161.66 : x
  2. Step 2: Convert to fraction form
    5,539.28/8,306.78 = 2,161.66/x
  3. Step 3: Cross multiply
    5,539.28x = 8,306.78 × 2,161.66
  4. Step 4: Simplify right side
    5,539.28x = 17,956,381.71
  5. Step 5: Solve for x
    x = 17,956,381.71/5,539.28
  6. Step 6: Final answer
    x = 3,241.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.