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Finding the Fourth Proportional to 5,670.84, 8,500.86 and 2,745.12

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Solution

The fourth proportional to 5,670.84, 8,500.86 and 2,745.12 is: 4,115.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.84 : 8,500.86 = 2,745.12 : x
  2. Step 2: Convert to fraction form
    5,670.84/8,500.86 = 2,745.12/x
  3. Step 3: Cross multiply
    5,670.84x = 8,500.86 × 2,745.12
  4. Step 4: Simplify right side
    5,670.84x = 23,335,880.80
  5. Step 5: Solve for x
    x = 23,335,880.80/5,670.84
  6. Step 6: Final answer
    x = 4,115.07

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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.