Home / 5,076.84-7,617.60-3,127.80

Finding the Fourth Proportional to 5,076.84, 7,617.60 and 3,127.80

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Solution

The fourth proportional to 5,076.84, 7,617.60 and 3,127.80 is: 4,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.84 : 7,617.60 = 3,127.80 : x
  2. Step 2: Convert to fraction form
    5,076.84/7,617.60 = 3,127.80/x
  3. Step 3: Cross multiply
    5,076.84x = 7,617.60 × 3,127.80
  4. Step 4: Simplify right side
    5,076.84x = 23,826,329.28
  5. Step 5: Solve for x
    x = 23,826,329.28/5,076.84
  6. Step 6: Final answer
    x = 4,693.14

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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.