Home / 5,381.13-8,073.78-2,607.60

Finding the Fourth Proportional to 5,381.13, 8,073.78 and 2,607.60

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Solution

The fourth proportional to 5,381.13, 8,073.78 and 2,607.60 is: 3,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.13 : 8,073.78 = 2,607.60 : x
  2. Step 2: Convert to fraction form
    5,381.13/8,073.78 = 2,607.60/x
  3. Step 3: Cross multiply
    5,381.13x = 8,073.78 × 2,607.60
  4. Step 4: Simplify right side
    5,381.13x = 21,053,188.73
  5. Step 5: Solve for x
    x = 21,053,188.73/5,381.13
  6. Step 6: Final answer
    x = 3,912.41

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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.