Home / 5,507.53-8,240.66-3,278.21

Finding the Fourth Proportional to 5,507.53, 8,240.66 and 3,278.21

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Solution

The fourth proportional to 5,507.53, 8,240.66 and 3,278.21 is: 4,905.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.53 : 8,240.66 = 3,278.21 : x
  2. Step 2: Convert to fraction form
    5,507.53/8,240.66 = 3,278.21/x
  3. Step 3: Cross multiply
    5,507.53x = 8,240.66 × 3,278.21
  4. Step 4: Simplify right side
    5,507.53x = 27,014,614.02
  5. Step 5: Solve for x
    x = 27,014,614.02/5,507.53
  6. Step 6: Final answer
    x = 4,905.03

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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.