Home / 4,918.51-6,787.29-2,822.50

Finding the Fourth Proportional to 4,918.51, 6,787.29 and 2,822.50

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Solution

The fourth proportional to 4,918.51, 6,787.29 and 2,822.50 is: 3,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.51 : 6,787.29 = 2,822.50 : x
  2. Step 2: Convert to fraction form
    4,918.51/6,787.29 = 2,822.50/x
  3. Step 3: Cross multiply
    4,918.51x = 6,787.29 × 2,822.50
  4. Step 4: Simplify right side
    4,918.51x = 19,157,126.03
  5. Step 5: Solve for x
    x = 19,157,126.03/4,918.51
  6. Step 6: Final answer
    x = 3,894.90

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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.