Home / 6,914-9,541.56-3,929.96

Finding the Fourth Proportional to 6,914, 9,541.56 and 3,929.96

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Solution

The fourth proportional to 6,914, 9,541.56 and 3,929.96 is: 5,423.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,914 : 9,541.56 = 3,929.96 : x
  2. Step 2: Convert to fraction form
    6,914/9,541.56 = 3,929.96/x
  3. Step 3: Cross multiply
    6,914x = 9,541.56 × 3,929.96
  4. Step 4: Simplify right side
    6,914x = 37,497,949.14
  5. Step 5: Solve for x
    x = 37,497,949.14/6,914
  6. Step 6: Final answer
    x = 5,423.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.