Home / 5,677.76-8,517.56-2,558.86

Finding the Fourth Proportional to 5,677.76, 8,517.56 and 2,558.86

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Solution

The fourth proportional to 5,677.76, 8,517.56 and 2,558.86 is: 3,838.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.76 : 8,517.56 = 2,558.86 : x
  2. Step 2: Convert to fraction form
    5,677.76/8,517.56 = 2,558.86/x
  3. Step 3: Cross multiply
    5,677.76x = 8,517.56 × 2,558.86
  4. Step 4: Simplify right side
    5,677.76x = 21,795,209.49
  5. Step 5: Solve for x
    x = 21,795,209.49/5,677.76
  6. Step 6: Final answer
    x = 3,838.70

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1.5x scale

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.