Home / 6,423.76-9,631.99-3,828.52

Finding the Fourth Proportional to 6,423.76, 9,631.99 and 3,828.52

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Solution

The fourth proportional to 6,423.76, 9,631.99 and 3,828.52 is: 5,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.76 : 9,631.99 = 3,828.52 : x
  2. Step 2: Convert to fraction form
    6,423.76/9,631.99 = 3,828.52/x
  3. Step 3: Cross multiply
    6,423.76x = 9,631.99 × 3,828.52
  4. Step 4: Simplify right side
    6,423.76x = 36,876,266.35
  5. Step 5: Solve for x
    x = 36,876,266.35/6,423.76
  6. Step 6: Final answer
    x = 5,740.60

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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.