Home / 5,188.40-7,790.36-2,969.73

Finding the Fourth Proportional to 5,188.40, 7,790.36 and 2,969.73

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Solution

The fourth proportional to 5,188.40, 7,790.36 and 2,969.73 is: 4,459.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.40 : 7,790.36 = 2,969.73 : x
  2. Step 2: Convert to fraction form
    5,188.40/7,790.36 = 2,969.73/x
  3. Step 3: Cross multiply
    5,188.40x = 7,790.36 × 2,969.73
  4. Step 4: Simplify right side
    5,188.40x = 23,135,250.95
  5. Step 5: Solve for x
    x = 23,135,250.95/5,188.40
  6. Step 6: Final answer
    x = 4,459.03

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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.