Home / 5,266.10-7,887.27-3,872.90

Finding the Fourth Proportional to 5,266.10, 7,887.27 and 3,872.90

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Solution

The fourth proportional to 5,266.10, 7,887.27 and 3,872.90 is: 5,800.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.10 : 7,887.27 = 3,872.90 : x
  2. Step 2: Convert to fraction form
    5,266.10/7,887.27 = 3,872.90/x
  3. Step 3: Cross multiply
    5,266.10x = 7,887.27 × 3,872.90
  4. Step 4: Simplify right side
    5,266.10x = 30,546,607.98
  5. Step 5: Solve for x
    x = 30,546,607.98/5,266.10
  6. Step 6: Final answer
    x = 5,800.61

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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.