Home / 5,677.80-8,519.06-2,555.66

Finding the Fourth Proportional to 5,677.80, 8,519.06 and 2,555.66

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Solution

The fourth proportional to 5,677.80, 8,519.06 and 2,555.66 is: 3,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.80 : 8,519.06 = 2,555.66 : x
  2. Step 2: Convert to fraction form
    5,677.80/8,519.06 = 2,555.66/x
  3. Step 3: Cross multiply
    5,677.80x = 8,519.06 × 2,555.66
  4. Step 4: Simplify right side
    5,677.80x = 21,771,784.67
  5. Step 5: Solve for x
    x = 21,771,784.67/5,677.80
  6. Step 6: Final answer
    x = 3,834.55

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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.