Home / 4,977.39-7,450.11-3,307.68

Finding the Fourth Proportional to 4,977.39, 7,450.11 and 3,307.68

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Solution

The fourth proportional to 4,977.39, 7,450.11 and 3,307.68 is: 4,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.39 : 7,450.11 = 3,307.68 : x
  2. Step 2: Convert to fraction form
    4,977.39/7,450.11 = 3,307.68/x
  3. Step 3: Cross multiply
    4,977.39x = 7,450.11 × 3,307.68
  4. Step 4: Simplify right side
    4,977.39x = 24,642,579.84
  5. Step 5: Solve for x
    x = 24,642,579.84/4,977.39
  6. Step 6: Final answer
    x = 4,950.90

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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.