Home / 5,261.56-7,885.50-2,137.92

Finding the Fourth Proportional to 5,261.56, 7,885.50 and 2,137.92

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Solution

The fourth proportional to 5,261.56, 7,885.50 and 2,137.92 is: 3,204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.56 : 7,885.50 = 2,137.92 : x
  2. Step 2: Convert to fraction form
    5,261.56/7,885.50 = 2,137.92/x
  3. Step 3: Cross multiply
    5,261.56x = 7,885.50 × 2,137.92
  4. Step 4: Simplify right side
    5,261.56x = 16,858,568.16
  5. Step 5: Solve for x
    x = 16,858,568.16/5,261.56
  6. Step 6: Final answer
    x = 3,204.10

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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.