Home / 5,811.50-8,020.05-3,327.50

Finding the Fourth Proportional to 5,811.50, 8,020.05 and 3,327.50

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Solution

The fourth proportional to 5,811.50, 8,020.05 and 3,327.50 is: 4,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.50 : 8,020.05 = 3,327.50 : x
  2. Step 2: Convert to fraction form
    5,811.50/8,020.05 = 3,327.50/x
  3. Step 3: Cross multiply
    5,811.50x = 8,020.05 × 3,327.50
  4. Step 4: Simplify right side
    5,811.50x = 26,686,716.38
  5. Step 5: Solve for x
    x = 26,686,716.38/5,811.50
  6. Step 6: Final answer
    x = 4,592.05

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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.