Home / 5,865.75-8,787.28-3,260.79

Finding the Fourth Proportional to 5,865.75, 8,787.28 and 3,260.79

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Solution

The fourth proportional to 5,865.75, 8,787.28 and 3,260.79 is: 4,884.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.75 : 8,787.28 = 3,260.79 : x
  2. Step 2: Convert to fraction form
    5,865.75/8,787.28 = 3,260.79/x
  3. Step 3: Cross multiply
    5,865.75x = 8,787.28 × 3,260.79
  4. Step 4: Simplify right side
    5,865.75x = 28,653,414.51
  5. Step 5: Solve for x
    x = 28,653,414.51/5,865.75
  6. Step 6: Final answer
    x = 4,884.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.