Home / 4,628.48-6,938-4,001.28

Finding the Fourth Proportional to 4,628.48, 6,938 and 4,001.28

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Solution

The fourth proportional to 4,628.48, 6,938 and 4,001.28 is: 5,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.48 : 6,938 = 4,001.28 : x
  2. Step 2: Convert to fraction form
    4,628.48/6,938 = 4,001.28/x
  3. Step 3: Cross multiply
    4,628.48x = 6,938 × 4,001.28
  4. Step 4: Simplify right side
    4,628.48x = 27,760,880.64
  5. Step 5: Solve for x
    x = 27,760,880.64/4,628.48
  6. Step 6: Final answer
    x = 5,997.84

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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.