Home / 5,076.30-7,004.78-2,838.10

Finding the Fourth Proportional to 5,076.30, 7,004.78 and 2,838.10

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Solution

The fourth proportional to 5,076.30, 7,004.78 and 2,838.10 is: 3,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.30 : 7,004.78 = 2,838.10 : x
  2. Step 2: Convert to fraction form
    5,076.30/7,004.78 = 2,838.10/x
  3. Step 3: Cross multiply
    5,076.30x = 7,004.78 × 2,838.10
  4. Step 4: Simplify right side
    5,076.30x = 19,880,266.12
  5. Step 5: Solve for x
    x = 19,880,266.12/5,076.30
  6. Step 6: Final answer
    x = 3,916.29

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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.