Home / 6,318.83-9,478.20-3,021.95

Finding the Fourth Proportional to 6,318.83, 9,478.20 and 3,021.95

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Solution

The fourth proportional to 6,318.83, 9,478.20 and 3,021.95 is: 4,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.83 : 9,478.20 = 3,021.95 : x
  2. Step 2: Convert to fraction form
    6,318.83/9,478.20 = 3,021.95/x
  3. Step 3: Cross multiply
    6,318.83x = 9,478.20 × 3,021.95
  4. Step 4: Simplify right side
    6,318.83x = 28,642,646.49
  5. Step 5: Solve for x
    x = 28,642,646.49/6,318.83
  6. Step 6: Final answer
    x = 4,532.90

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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.