Home / 5,187.04-7,762.64-3,211.85

Finding the Fourth Proportional to 5,187.04, 7,762.64 and 3,211.85

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Solution

The fourth proportional to 5,187.04, 7,762.64 and 3,211.85 is: 4,806.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.04 : 7,762.64 = 3,211.85 : x
  2. Step 2: Convert to fraction form
    5,187.04/7,762.64 = 3,211.85/x
  3. Step 3: Cross multiply
    5,187.04x = 7,762.64 × 3,211.85
  4. Step 4: Simplify right side
    5,187.04x = 24,932,438.63
  5. Step 5: Solve for x
    x = 24,932,438.63/5,187.04
  6. Step 6: Final answer
    x = 4,806.68

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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.