Home / 6,218.51-8,581.43-3,385.95

Finding the Fourth Proportional to 6,218.51, 8,581.43 and 3,385.95

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Solution

The fourth proportional to 6,218.51, 8,581.43 and 3,385.95 is: 4,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.51 : 8,581.43 = 3,385.95 : x
  2. Step 2: Convert to fraction form
    6,218.51/8,581.43 = 3,385.95/x
  3. Step 3: Cross multiply
    6,218.51x = 8,581.43 × 3,385.95
  4. Step 4: Simplify right side
    6,218.51x = 29,056,292.91
  5. Step 5: Solve for x
    x = 29,056,292.91/6,218.51
  6. Step 6: Final answer
    x = 4,672.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.