Home / 5,266.85-7,900.41-2,492.87

Finding the Fourth Proportional to 5,266.85, 7,900.41 and 2,492.87

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Solution

The fourth proportional to 5,266.85, 7,900.41 and 2,492.87 is: 3,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.85 : 7,900.41 = 2,492.87 : x
  2. Step 2: Convert to fraction form
    5,266.85/7,900.41 = 2,492.87/x
  3. Step 3: Cross multiply
    5,266.85x = 7,900.41 × 2,492.87
  4. Step 4: Simplify right side
    5,266.85x = 19,694,695.08
  5. Step 5: Solve for x
    x = 19,694,695.08/5,266.85
  6. Step 6: Final answer
    x = 3,739.37

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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.