Home / 4,629.28-6,389.52-2,641

Finding the Fourth Proportional to 4,629.28, 6,389.52 and 2,641

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Solution

The fourth proportional to 4,629.28, 6,389.52 and 2,641 is: 3,645.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.28 : 6,389.52 = 2,641 : x
  2. Step 2: Convert to fraction form
    4,629.28/6,389.52 = 2,641/x
  3. Step 3: Cross multiply
    4,629.28x = 6,389.52 × 2,641
  4. Step 4: Simplify right side
    4,629.28x = 16,874,722.32
  5. Step 5: Solve for x
    x = 16,874,722.32/4,629.28
  6. Step 6: Final answer
    x = 3,645.22

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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.