Home / 5,102.32-7,647.34-2,635.80

Finding the Fourth Proportional to 5,102.32, 7,647.34 and 2,635.80

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Solution

The fourth proportional to 5,102.32, 7,647.34 and 2,635.80 is: 3,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.32 : 7,647.34 = 2,635.80 : x
  2. Step 2: Convert to fraction form
    5,102.32/7,647.34 = 2,635.80/x
  3. Step 3: Cross multiply
    5,102.32x = 7,647.34 × 2,635.80
  4. Step 4: Simplify right side
    5,102.32x = 20,156,858.77
  5. Step 5: Solve for x
    x = 20,156,858.77/5,102.32
  6. Step 6: Final answer
    x = 3,950.53

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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.