Home / 4,677.38-6,454.62-2,787.98

Finding the Fourth Proportional to 4,677.38, 6,454.62 and 2,787.98

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Solution

The fourth proportional to 4,677.38, 6,454.62 and 2,787.98 is: 3,847.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.38 : 6,454.62 = 2,787.98 : x
  2. Step 2: Convert to fraction form
    4,677.38/6,454.62 = 2,787.98/x
  3. Step 3: Cross multiply
    4,677.38x = 6,454.62 × 2,787.98
  4. Step 4: Simplify right side
    4,677.38x = 17,995,371.87
  5. Step 5: Solve for x
    x = 17,995,371.87/4,677.38
  6. Step 6: Final answer
    x = 3,847.32

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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.