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Finding the Fourth Proportional to 5,878.86, 8,818.40 and 2,757.14

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Solution

The fourth proportional to 5,878.86, 8,818.40 and 2,757.14 is: 4,135.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.86 : 8,818.40 = 2,757.14 : x
  2. Step 2: Convert to fraction form
    5,878.86/8,818.40 = 2,757.14/x
  3. Step 3: Cross multiply
    5,878.86x = 8,818.40 × 2,757.14
  4. Step 4: Simplify right side
    5,878.86x = 24,313,563.38
  5. Step 5: Solve for x
    x = 24,313,563.38/5,878.86
  6. Step 6: Final answer
    x = 4,135.76

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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.