Home / 6,318.50-9,483.39-3,318.98

Finding the Fourth Proportional to 6,318.50, 9,483.39 and 3,318.98

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Solution

The fourth proportional to 6,318.50, 9,483.39 and 3,318.98 is: 4,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.50 : 9,483.39 = 3,318.98 : x
  2. Step 2: Convert to fraction form
    6,318.50/9,483.39 = 3,318.98/x
  3. Step 3: Cross multiply
    6,318.50x = 9,483.39 × 3,318.98
  4. Step 4: Simplify right side
    6,318.50x = 31,475,181.74
  5. Step 5: Solve for x
    x = 31,475,181.74/6,318.50
  6. Step 6: Final answer
    x = 4,981.43

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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.