Home / 5,431.02-8,144.01-2,313.42

Finding the Fourth Proportional to 5,431.02, 8,144.01 and 2,313.42

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Solution

The fourth proportional to 5,431.02, 8,144.01 and 2,313.42 is: 3,469.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.02 : 8,144.01 = 2,313.42 : x
  2. Step 2: Convert to fraction form
    5,431.02/8,144.01 = 2,313.42/x
  3. Step 3: Cross multiply
    5,431.02x = 8,144.01 × 2,313.42
  4. Step 4: Simplify right side
    5,431.02x = 18,840,515.61
  5. Step 5: Solve for x
    x = 18,840,515.61/5,431.02
  6. Step 6: Final answer
    x = 3,469.06

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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.