Home / 6,288.43-8,678.37-3,770.95

Finding the Fourth Proportional to 6,288.43, 8,678.37 and 3,770.95

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Solution

The fourth proportional to 6,288.43, 8,678.37 and 3,770.95 is: 5,204.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.43 : 8,678.37 = 3,770.95 : x
  2. Step 2: Convert to fraction form
    6,288.43/8,678.37 = 3,770.95/x
  3. Step 3: Cross multiply
    6,288.43x = 8,678.37 × 3,770.95
  4. Step 4: Simplify right side
    6,288.43x = 32,725,699.35
  5. Step 5: Solve for x
    x = 32,725,699.35/6,288.43
  6. Step 6: Final answer
    x = 5,204.11

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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.