Home / 5,104.50-7,652.70-2,639.67

Finding the Fourth Proportional to 5,104.50, 7,652.70 and 2,639.67

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Solution

The fourth proportional to 5,104.50, 7,652.70 and 2,639.67 is: 3,957.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.50 : 7,652.70 = 2,639.67 : x
  2. Step 2: Convert to fraction form
    5,104.50/7,652.70 = 2,639.67/x
  3. Step 3: Cross multiply
    5,104.50x = 7,652.70 × 2,639.67
  4. Step 4: Simplify right side
    5,104.50x = 20,200,602.61
  5. Step 5: Solve for x
    x = 20,200,602.61/5,104.50
  6. Step 6: Final answer
    x = 3,957.41

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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.