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Finding the Fourth Proportional to 5,660.67, 8,492.08 and 2,540.60

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Solution

The fourth proportional to 5,660.67, 8,492.08 and 2,540.60 is: 3,811.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.67 : 8,492.08 = 2,540.60 : x
  2. Step 2: Convert to fraction form
    5,660.67/8,492.08 = 2,540.60/x
  3. Step 3: Cross multiply
    5,660.67x = 8,492.08 × 2,540.60
  4. Step 4: Simplify right side
    5,660.67x = 21,574,998.50
  5. Step 5: Solve for x
    x = 21,574,998.50/5,660.67
  6. Step 6: Final answer
    x = 3,811.38

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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.