Home / 4,310.40-6,477.71-2,555.66

Finding the Fourth Proportional to 4,310.40, 6,477.71 and 2,555.66

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Solution

The fourth proportional to 4,310.40, 6,477.71 and 2,555.66 is: 3,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.40 : 6,477.71 = 2,555.66 : x
  2. Step 2: Convert to fraction form
    4,310.40/6,477.71 = 2,555.66/x
  3. Step 3: Cross multiply
    4,310.40x = 6,477.71 × 2,555.66
  4. Step 4: Simplify right side
    4,310.40x = 16,554,791.95
  5. Step 5: Solve for x
    x = 16,554,791.95/4,310.40
  6. Step 6: Final answer
    x = 3,840.66

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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.