Home / 4,981.16-7,455.75-3,311.43

Finding the Fourth Proportional to 4,981.16, 7,455.75 and 3,311.43

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Solution

The fourth proportional to 4,981.16, 7,455.75 and 3,311.43 is: 4,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.16 : 7,455.75 = 3,311.43 : x
  2. Step 2: Convert to fraction form
    4,981.16/7,455.75 = 3,311.43/x
  3. Step 3: Cross multiply
    4,981.16x = 7,455.75 × 3,311.43
  4. Step 4: Simplify right side
    4,981.16x = 24,689,194.22
  5. Step 5: Solve for x
    x = 24,689,194.22/4,981.16
  6. Step 6: Final answer
    x = 4,956.52

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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.