Home / 4,919.82-6,787.35-3,152.46

Finding the Fourth Proportional to 4,919.82, 6,787.35 and 3,152.46

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Solution

The fourth proportional to 4,919.82, 6,787.35 and 3,152.46 is: 4,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.82 : 6,787.35 = 3,152.46 : x
  2. Step 2: Convert to fraction form
    4,919.82/6,787.35 = 3,152.46/x
  3. Step 3: Cross multiply
    4,919.82x = 6,787.35 × 3,152.46
  4. Step 4: Simplify right side
    4,919.82x = 21,396,849.38
  5. Step 5: Solve for x
    x = 21,396,849.38/4,919.82
  6. Step 6: Final answer
    x = 4,349.11

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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.