Home / 4,787.41-7,176.79-1,708.69

Finding the Fourth Proportional to 4,787.41, 7,176.79 and 1,708.69

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Solution

The fourth proportional to 4,787.41, 7,176.79 and 1,708.69 is: 2,561.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.41 : 7,176.79 = 1,708.69 : x
  2. Step 2: Convert to fraction form
    4,787.41/7,176.79 = 1,708.69/x
  3. Step 3: Cross multiply
    4,787.41x = 7,176.79 × 1,708.69
  4. Step 4: Simplify right side
    4,787.41x = 12,262,909.31
  5. Step 5: Solve for x
    x = 12,262,909.31/4,787.41
  6. Step 6: Final answer
    x = 2,561.49

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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.