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Finding the Fourth Proportional to 5,675.86, 8,502.18 and 2,751.76

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Solution

The fourth proportional to 5,675.86, 8,502.18 and 2,751.76 is: 4,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.86 : 8,502.18 = 2,751.76 : x
  2. Step 2: Convert to fraction form
    5,675.86/8,502.18 = 2,751.76/x
  3. Step 3: Cross multiply
    5,675.86x = 8,502.18 × 2,751.76
  4. Step 4: Simplify right side
    5,675.86x = 23,395,958.84
  5. Step 5: Solve for x
    x = 23,395,958.84/5,675.86
  6. Step 6: Final answer
    x = 4,122.01

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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.