Home / 4,787.69-6,605.39-2,797.11

Finding the Fourth Proportional to 4,787.69, 6,605.39 and 2,797.11

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Solution

The fourth proportional to 4,787.69, 6,605.39 and 2,797.11 is: 3,859.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.69 : 6,605.39 = 2,797.11 : x
  2. Step 2: Convert to fraction form
    4,787.69/6,605.39 = 2,797.11/x
  3. Step 3: Cross multiply
    4,787.69x = 6,605.39 × 2,797.11
  4. Step 4: Simplify right side
    4,787.69x = 18,476,009.42
  5. Step 5: Solve for x
    x = 18,476,009.42/4,787.69
  6. Step 6: Final answer
    x = 3,859.07

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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.