Home / 4,345.94-6,520.66-2,787.68

Finding the Fourth Proportional to 4,345.94, 6,520.66 and 2,787.68

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Solution

The fourth proportional to 4,345.94, 6,520.66 and 2,787.68 is: 4,182.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.94 : 6,520.66 = 2,787.68 : x
  2. Step 2: Convert to fraction form
    4,345.94/6,520.66 = 2,787.68/x
  3. Step 3: Cross multiply
    4,345.94x = 6,520.66 × 2,787.68
  4. Step 4: Simplify right side
    4,345.94x = 18,177,513.47
  5. Step 5: Solve for x
    x = 18,177,513.47/4,345.94
  6. Step 6: Final answer
    x = 4,182.64

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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.