Home / 5,245.00-7,868.85-1,958.12

Finding the Fourth Proportional to 5,245.00, 7,868.85 and 1,958.12

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Solution

The fourth proportional to 5,245.00, 7,868.85 and 1,958.12 is: 2,937.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.00 : 7,868.85 = 1,958.12 : x
  2. Step 2: Convert to fraction form
    5,245.00/7,868.85 = 1,958.12/x
  3. Step 3: Cross multiply
    5,245.00x = 7,868.85 × 1,958.12
  4. Step 4: Simplify right side
    5,245.00x = 15,408,113.22
  5. Step 5: Solve for x
    x = 15,408,113.22/5,245.00
  6. Step 6: Final answer
    x = 2,937.68

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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.