Home / 4,812.77-6,641.78-2,796

Finding the Fourth Proportional to 4,812.77, 6,641.78 and 2,796

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Solution

The fourth proportional to 4,812.77, 6,641.78 and 2,796 is: 3,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.77 : 6,641.78 = 2,796 : x
  2. Step 2: Convert to fraction form
    4,812.77/6,641.78 = 2,796/x
  3. Step 3: Cross multiply
    4,812.77x = 6,641.78 × 2,796
  4. Step 4: Simplify right side
    4,812.77x = 18,570,402.90
  5. Step 5: Solve for x
    x = 18,570,402.90/4,812.77
  6. Step 6: Final answer
    x = 3,858.57

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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.