Home / 5,617.20-8,409.48-3,270.05

Finding the Fourth Proportional to 5,617.20, 8,409.48 and 3,270.05

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Solution

The fourth proportional to 5,617.20, 8,409.48 and 3,270.05 is: 4,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.20 : 8,409.48 = 3,270.05 : x
  2. Step 2: Convert to fraction form
    5,617.20/8,409.48 = 3,270.05/x
  3. Step 3: Cross multiply
    5,617.20x = 8,409.48 × 3,270.05
  4. Step 4: Simplify right side
    5,617.20x = 27,499,378.03
  5. Step 5: Solve for x
    x = 27,499,378.03/5,617.20
  6. Step 6: Final answer
    x = 4,895.57

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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.