Home / 4,919.57-6,787.78-2,903.10

Finding the Fourth Proportional to 4,919.57, 6,787.78 and 2,903.10

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Solution

The fourth proportional to 4,919.57, 6,787.78 and 2,903.10 is: 4,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.57 : 6,787.78 = 2,903.10 : x
  2. Step 2: Convert to fraction form
    4,919.57/6,787.78 = 2,903.10/x
  3. Step 3: Cross multiply
    4,919.57x = 6,787.78 × 2,903.10
  4. Step 4: Simplify right side
    4,919.57x = 19,705,604.12
  5. Step 5: Solve for x
    x = 19,705,604.12/4,919.57
  6. Step 6: Final answer
    x = 4,005.55

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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.