Home / 4,918.17-6,787.77-2,822.31

Finding the Fourth Proportional to 4,918.17, 6,787.77 and 2,822.31

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Solution

The fourth proportional to 4,918.17, 6,787.77 and 2,822.31 is: 3,895.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.17 : 6,787.77 = 2,822.31 : x
  2. Step 2: Convert to fraction form
    4,918.17/6,787.77 = 2,822.31/x
  3. Step 3: Cross multiply
    4,918.17x = 6,787.77 × 2,822.31
  4. Step 4: Simplify right side
    4,918.17x = 19,157,191.15
  5. Step 5: Solve for x
    x = 19,157,191.15/4,918.17
  6. Step 6: Final answer
    x = 3,895.19

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1.5x scale

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.