Home / 4,918.68-6,787.34-2,822.68

Finding the Fourth Proportional to 4,918.68, 6,787.34 and 2,822.68

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Solution

The fourth proportional to 4,918.68, 6,787.34 and 2,822.68 is: 3,895.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.68 : 6,787.34 = 2,822.68 : x
  2. Step 2: Convert to fraction form
    4,918.68/6,787.34 = 2,822.68/x
  3. Step 3: Cross multiply
    4,918.68x = 6,787.34 × 2,822.68
  4. Step 4: Simplify right side
    4,918.68x = 19,158,488.87
  5. Step 5: Solve for x
    x = 19,158,488.87/4,918.68
  6. Step 6: Final answer
    x = 3,895.05

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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.